Finding the Fourth Proportional to 123,432.84, 170,337.24 and 66,844.08
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Solution
The fourth proportional to 123,432.84, 170,337.24 and 66,844.08 is: 92,244.79
Step by Step Solution
- Step 1: Write the proportion equation
123,432.84 : 170,337.24 = 66,844.08 : x - Step 2: Convert to fraction form
123,432.84/170,337.24 = 66,844.08/x - Step 3: Cross multiply
123,432.84x = 170,337.24 × 66,844.08 - Step 4: Simplify right side
123,432.84x = 11,386,036,097.54 - Step 5: Solve for x
x = 11,386,036,097.54/123,432.84 - Step 6: Final answer
x = 92,244.79
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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.