Finding the Fourth Proportional to 156,276.92, 215,609.10 and 88,283.96
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Solution
The fourth proportional to 156,276.92, 215,609.10 and 88,283.96 is: 121,801.90
Step by Step Solution
- Step 1: Write the proportion equation
156,276.92 : 215,609.10 = 88,283.96 : x - Step 2: Convert to fraction form
156,276.92/215,609.10 = 88,283.96/x - Step 3: Cross multiply
156,276.92x = 215,609.10 × 88,283.96 - Step 4: Simplify right side
156,276.92x = 19,034,825,160.04 - Step 5: Solve for x
x = 19,034,825,160.04/156,276.92 - Step 6: Final answer
x = 121,801.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.