Finding the Fourth Proportional to 88,355.70, 132,489.18 and 40,930.02
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Solution
The fourth proportional to 88,355.70, 132,489.18 and 40,930.02 is: 61,374.48
Step by Step Solution
- Step 1: Write the proportion equation
88,355.70 : 132,489.18 = 40,930.02 : x - Step 2: Convert to fraction form
88,355.70/132,489.18 = 40,930.02/x - Step 3: Cross multiply
88,355.70x = 132,489.18 × 40,930.02 - Step 4: Simplify right side
88,355.70x = 5,422,784,787.18 - Step 5: Solve for x
x = 5,422,784,787.18/88,355.70 - Step 6: Final answer
x = 61,374.48
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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.