Finding the Fourth Proportional to 155,414.16, 233,046.99 and 71,148.96
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Solution
The fourth proportional to 155,414.16, 233,046.99 and 71,148.96 is: 106,689.45
Step by Step Solution
- Step 1: Write the proportion equation
155,414.16 : 233,046.99 = 71,148.96 : x - Step 2: Convert to fraction form
155,414.16/233,046.99 = 71,148.96/x - Step 3: Cross multiply
155,414.16x = 233,046.99 × 71,148.96 - Step 4: Simplify right side
155,414.16x = 16,581,050,969.63 - Step 5: Solve for x
x = 16,581,050,969.63/155,414.16 - Step 6: Final answer
x = 106,689.45
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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.