Finding the Fourth Proportional to 416,781.38, 625,163.42 and 101,239.94
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Solution
The fourth proportional to 416,781.38, 625,163.42 and 101,239.94 is: 151,857.81
Step by Step Solution
- Step 1: Write the proportion equation
416,781.38 : 625,163.42 = 101,239.94 : x - Step 2: Convert to fraction form
416,781.38/625,163.42 = 101,239.94/x - Step 3: Cross multiply
416,781.38x = 625,163.42 × 101,239.94 - Step 4: Simplify right side
416,781.38x = 63,291,507,130.99 - Step 5: Solve for x
x = 63,291,507,130.99/416,781.38 - Step 6: Final answer
x = 151,857.81
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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.