Finding the Fourth Proportional to 88,358.68, 132,534.84 and 38,438.82
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Solution
The fourth proportional to 88,358.68, 132,534.84 and 38,438.82 is: 57,656.85
Step by Step Solution
- Step 1: Write the proportion equation
88,358.68 : 132,534.84 = 38,438.82 : x - Step 2: Convert to fraction form
88,358.68/132,534.84 = 38,438.82/x - Step 3: Cross multiply
88,358.68x = 132,534.84 × 38,438.82 - Step 4: Simplify right side
88,358.68x = 5,094,482,858.49 - Step 5: Solve for x
x = 5,094,482,858.49/88,358.68 - Step 6: Final answer
x = 57,656.85
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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.