Finding the Fourth Proportional to 329,001.67, 493,705.55 and 129,286.99
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Solution
The fourth proportional to 329,001.67, 493,705.55 and 129,286.99 is: 194,010.28
Step by Step Solution
- Step 1: Write the proportion equation
329,001.67 : 493,705.55 = 129,286.99 : x - Step 2: Convert to fraction form
329,001.67/493,705.55 = 129,286.99/x - Step 3: Cross multiply
329,001.67x = 493,705.55 × 129,286.99 - Step 4: Simplify right side
329,001.67x = 63,829,704,505.79 - Step 5: Solve for x
x = 63,829,704,505.79/329,001.67 - Step 6: Final answer
x = 194,010.28
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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.