Finding the Fourth Proportional to 417,327.31, 625,983.99 and 133,013.98
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Solution
The fourth proportional to 417,327.31, 625,983.99 and 133,013.98 is: 199,518.75
Step by Step Solution
- Step 1: Write the proportion equation
417,327.31 : 625,983.99 = 133,013.98 : x - Step 2: Convert to fraction form
417,327.31/625,983.99 = 133,013.98/x - Step 3: Cross multiply
417,327.31x = 625,983.99 × 133,013.98 - Step 4: Simplify right side
417,327.31x = 83,264,621,926.18 - Step 5: Solve for x
x = 83,264,621,926.18/417,327.31 - Step 6: Final answer
x = 199,518.75
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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.