Finding the Fourth Proportional to 115,078.28, 172,403.57 and 62,531.96
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Solution
The fourth proportional to 115,078.28, 172,403.57 and 62,531.96 is: 93,681.73
Step by Step Solution
- Step 1: Write the proportion equation
115,078.28 : 172,403.57 = 62,531.96 : x - Step 2: Convert to fraction form
115,078.28/172,403.57 = 62,531.96/x - Step 3: Cross multiply
115,078.28x = 172,403.57 × 62,531.96 - Step 4: Simplify right side
115,078.28x = 10,780,732,437.41 - Step 5: Solve for x
x = 10,780,732,437.41/115,078.28 - Step 6: Final answer
x = 93,681.73
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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.