Finding the Fourth Proportional to 402,002.74, 602,220.12 and 223,973.62
Calculator
Solution
The fourth proportional to 402,002.74, 602,220.12 and 223,973.62 is: 335,523.63
Step by Step Solution
- Step 1: Write the proportion equation
402,002.74 : 602,220.12 = 223,973.62 : x - Step 2: Convert to fraction form
402,002.74/602,220.12 = 223,973.62/x - Step 3: Cross multiply
402,002.74x = 602,220.12 × 223,973.62 - Step 4: Simplify right side
402,002.74x = 134,881,420,313.23 - Step 5: Solve for x
x = 134,881,420,313.23/402,002.74 - Step 6: Final answer
x = 335,523.63
Related Problems
Find fourth proportional to 201,001.37, 301,110.06 and 111,986.81
Half scale
Find fourth proportional to 804,005.48, 1,204,440.24 and 447,947.24
Double scale
Find fourth proportional to 402,003.74, 602,221.62 and 223,974.62
Similar ratio
Find fourth proportional to 603,004.11, 903,330.18 and 335,960.43
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.