Finding the Fourth Proportional to 272,934.30, 409,344.96 and 73,207.20
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Solution
The fourth proportional to 272,934.30, 409,344.96 and 73,207.20 is: 109,795.65
Step by Step Solution
- Step 1: Write the proportion equation
272,934.30 : 409,344.96 = 73,207.20 : x - Step 2: Convert to fraction form
272,934.30/409,344.96 = 73,207.20/x - Step 3: Cross multiply
272,934.30x = 409,344.96 × 73,207.20 - Step 4: Simplify right side
272,934.30x = 29,966,998,355.71 - Step 5: Solve for x
x = 29,966,998,355.71/272,934.30 - Step 6: Final answer
x = 109,795.65
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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.