Finding the Fourth Proportional to 517,658.53, 776,566.14 and 162,639.13
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Solution
The fourth proportional to 517,658.53, 776,566.14 and 162,639.13 is: 243,983.31
Step by Step Solution
- Step 1: Write the proportion equation
517,658.53 : 776,566.14 = 162,639.13 : x - Step 2: Convert to fraction form
517,658.53/776,566.14 = 162,639.13/x - Step 3: Cross multiply
517,658.53x = 776,566.14 × 162,639.13 - Step 4: Simplify right side
517,658.53x = 126,300,041,397.06 - Step 5: Solve for x
x = 126,300,041,397.06/517,658.53 - Step 6: Final answer
x = 243,983.31
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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.