Finding the Fourth Proportional to 417,778.41, 626,757.57 and 133,402.12
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Solution
The fourth proportional to 417,778.41, 626,757.57 and 133,402.12 is: 200,131.90
Step by Step Solution
- Step 1: Write the proportion equation
417,778.41 : 626,757.57 = 133,402.12 : x - Step 2: Convert to fraction form
417,778.41/626,757.57 = 133,402.12/x - Step 3: Cross multiply
417,778.41x = 626,757.57 × 133,402.12 - Step 4: Simplify right side
417,778.41x = 83,610,788,564.05 - Step 5: Solve for x
x = 83,610,788,564.05/417,778.41 - Step 6: Final answer
x = 200,131.90
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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.