Finding the Fourth Proportional to 478,001.10, 717,251.52 and 193,721.88
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Solution
The fourth proportional to 478,001.10, 717,251.52 and 193,721.88 is: 290,684.09
Step by Step Solution
- Step 1: Write the proportion equation
478,001.10 : 717,251.52 = 193,721.88 : x - Step 2: Convert to fraction form
478,001.10/717,251.52 = 193,721.88/x - Step 3: Cross multiply
478,001.10x = 717,251.52 × 193,721.88 - Step 4: Simplify right side
478,001.10x = 138,947,312,887.26 - Step 5: Solve for x
x = 138,947,312,887.26/478,001.10 - Step 6: Final answer
x = 290,684.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.