Finding the Fourth Proportional to 401,072.08, 553,479.56 and 239,933.84
Calculator
Solution
The fourth proportional to 401,072.08, 553,479.56 and 239,933.84 is: 331,108.75
Step by Step Solution
- Step 1: Write the proportion equation
401,072.08 : 553,479.56 = 239,933.84 : x - Step 2: Convert to fraction form
401,072.08/553,479.56 = 239,933.84/x - Step 3: Cross multiply
401,072.08x = 553,479.56 × 239,933.84 - Step 4: Simplify right side
401,072.08x = 132,798,476,192.31 - Step 5: Solve for x
x = 132,798,476,192.31/401,072.08 - Step 6: Final answer
x = 331,108.75
Related Problems
Find fourth proportional to 200,536.04, 276,739.78 and 119,966.92
Half scale
Find fourth proportional to 802,144.16, 1,106,959.12 and 479,867.68
Double scale
Find fourth proportional to 401,073.08, 553,480.94 and 239,934.84
Similar ratio
Find fourth proportional to 601,608.12, 830,219.34 and 359,900.76
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.