Finding the Fourth Proportional to 479,689.53, 719,524.42 and 159,864.63
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Solution
The fourth proportional to 479,689.53, 719,524.42 and 159,864.63 is: 239,793.65
Step by Step Solution
- Step 1: Write the proportion equation
479,689.53 : 719,524.42 = 159,864.63 : x - Step 2: Convert to fraction form
479,689.53/719,524.42 = 159,864.63/x - Step 3: Cross multiply
479,689.53x = 719,524.42 × 159,864.63 - Step 4: Simplify right side
479,689.53x = 115,026,502,980.79 - Step 5: Solve for x
x = 115,026,502,980.79/479,689.53 - Step 6: Final answer
x = 239,793.65
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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.