Finding the Fourth Proportional to 88,199.40, 121,711.68 and 52,388.46
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Solution
The fourth proportional to 88,199.40, 121,711.68 and 52,388.46 is: 72,294.00
Step by Step Solution
- Step 1: Write the proportion equation
88,199.40 : 121,711.68 = 52,388.46 : x - Step 2: Convert to fraction form
88,199.40/121,711.68 = 52,388.46/x - Step 3: Cross multiply
88,199.40x = 121,711.68 × 52,388.46 - Step 4: Simplify right side
88,199.40x = 6,376,287,479.21 - Step 5: Solve for x
x = 6,376,287,479.21/88,199.40 - Step 6: Final answer
x = 72,294.00
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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.