Finding the Fourth Proportional to 401,637.97, 553,805.93 and 256,249.24
Calculator
Solution
The fourth proportional to 401,637.97, 553,805.93 and 256,249.24 is: 353,333.99
Step by Step Solution
- Step 1: Write the proportion equation
401,637.97 : 553,805.93 = 256,249.24 : x - Step 2: Convert to fraction form
401,637.97/553,805.93 = 256,249.24/x - Step 3: Cross multiply
401,637.97x = 553,805.93 × 256,249.24 - Step 4: Simplify right side
401,637.97x = 141,912,347,388.75 - Step 5: Solve for x
x = 141,912,347,388.75/401,637.97 - Step 6: Final answer
x = 353,333.99
Related Problems
Find fourth proportional to 200,818.99, 276,902.96 and 128,124.62
Half scale
Find fourth proportional to 803,275.94, 1,107,611.85 and 512,498.48
Double scale
Find fourth proportional to 401,638.97, 553,807.30 and 256,250.24
Similar ratio
Find fourth proportional to 602,456.96, 830,708.89 and 384,373.86
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.