Finding the Fourth Proportional to 88,229.70, 132,344.55 and 53,237.70
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Solution
The fourth proportional to 88,229.70, 132,344.55 and 53,237.70 is: 79,856.55
Step by Step Solution
- Step 1: Write the proportion equation
88,229.70 : 132,344.55 = 53,237.70 : x - Step 2: Convert to fraction form
88,229.70/132,344.55 = 53,237.70/x - Step 3: Cross multiply
88,229.70x = 132,344.55 × 53,237.70 - Step 4: Simplify right side
88,229.70x = 7,045,719,449.54 - Step 5: Solve for x
x = 7,045,719,449.54/88,229.70 - Step 6: Final answer
x = 79,856.55
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1.5x scale
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.