Finding the Fourth Proportional to 527,845.66, 791,761.74 and 128,486.80
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Solution
The fourth proportional to 527,845.66, 791,761.74 and 128,486.80 is: 192,728.56
Step by Step Solution
- Step 1: Write the proportion equation
527,845.66 : 791,761.74 = 128,486.80 : x - Step 2: Convert to fraction form
527,845.66/791,761.74 = 128,486.80/x - Step 3: Cross multiply
527,845.66x = 791,761.74 × 128,486.80 - Step 4: Simplify right side
527,845.66x = 101,730,932,335.03 - Step 5: Solve for x
x = 101,730,932,335.03/527,845.66 - Step 6: Final answer
x = 192,728.56
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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.