Finding the Fourth Proportional to 417,690.96, 575,977.68 and 247,892.28
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Solution
The fourth proportional to 417,690.96, 575,977.68 and 247,892.28 is: 341,832.68
Step by Step Solution
- Step 1: Write the proportion equation
417,690.96 : 575,977.68 = 247,892.28 : x - Step 2: Convert to fraction form
417,690.96/575,977.68 = 247,892.28/x - Step 3: Cross multiply
417,690.96x = 575,977.68 × 247,892.28 - Step 4: Simplify right side
417,690.96x = 142,780,420,324.31 - Step 5: Solve for x
x = 142,780,420,324.31/417,690.96 - Step 6: Final answer
x = 341,832.68
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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.