Finding the Fourth Proportional to 88,258.18, 132,312.84 and 38,300.62
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Solution
The fourth proportional to 88,258.18, 132,312.84 and 38,300.62 is: 57,418.63
Step by Step Solution
- Step 1: Write the proportion equation
88,258.18 : 132,312.84 = 38,300.62 : x - Step 2: Convert to fraction form
88,258.18/132,312.84 = 38,300.62/x - Step 3: Cross multiply
88,258.18x = 132,312.84 × 38,300.62 - Step 4: Simplify right side
88,258.18x = 5,067,663,805.96 - Step 5: Solve for x
x = 5,067,663,805.96/88,258.18 - Step 6: Final answer
x = 57,418.63
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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.