Finding the Fourth Proportional to 156,869.96, 235,333.17 and 57,170.09
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Solution
The fourth proportional to 156,869.96, 235,333.17 and 57,170.09 is: 85,765.42
Step by Step Solution
- Step 1: Write the proportion equation
156,869.96 : 235,333.17 = 57,170.09 : x - Step 2: Convert to fraction form
156,869.96/235,333.17 = 57,170.09/x - Step 3: Cross multiply
156,869.96x = 235,333.17 × 57,170.09 - Step 4: Simplify right side
156,869.96x = 13,454,017,332.22 - Step 5: Solve for x
x = 13,454,017,332.22/156,869.96 - Step 6: Final answer
x = 85,765.42
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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.