Finding the Fourth Proportional to 268,112.16, 402,217.68 and 88,207.71
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Solution
The fourth proportional to 268,112.16, 402,217.68 and 88,207.71 is: 132,327.83
Step by Step Solution
- Step 1: Write the proportion equation
268,112.16 : 402,217.68 = 88,207.71 : x - Step 2: Convert to fraction form
268,112.16/402,217.68 = 88,207.71/x - Step 3: Cross multiply
268,112.16x = 402,217.68 × 88,207.71 - Step 4: Simplify right side
268,112.16x = 35,478,700,474.31 - Step 5: Solve for x
x = 35,478,700,474.31/268,112.16 - Step 6: Final answer
x = 132,327.83
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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.