Finding the Fourth Proportional to 439,589.62, 659,386.05 and 107,165.62
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Solution
The fourth proportional to 439,589.62, 659,386.05 and 107,165.62 is: 160,748.82
Step by Step Solution
- Step 1: Write the proportion equation
439,589.62 : 659,386.05 = 107,165.62 : x - Step 2: Convert to fraction form
439,589.62/659,386.05 = 107,165.62/x - Step 3: Cross multiply
439,589.62x = 659,386.05 × 107,165.62 - Step 4: Simplify right side
439,589.62x = 70,663,514,867.60 - Step 5: Solve for x
x = 70,663,514,867.60/439,589.62 - Step 6: Final answer
x = 160,748.82
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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.