Finding the Fourth Proportional to 123,476.56, 185,214.84 and 29,981.68
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Solution
The fourth proportional to 123,476.56, 185,214.84 and 29,981.68 is: 44,972.52
Step by Step Solution
- Step 1: Write the proportion equation
123,476.56 : 185,214.84 = 29,981.68 : x - Step 2: Convert to fraction form
123,476.56/185,214.84 = 29,981.68/x - Step 3: Cross multiply
123,476.56x = 185,214.84 × 29,981.68 - Step 4: Simplify right side
123,476.56x = 5,553,052,064.13 - Step 5: Solve for x
x = 5,553,052,064.13/123,476.56 - Step 6: Final answer
x = 44,972.52
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1.5x scale
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.