Finding the Fourth Proportional to 123,490.56, 185,235.84 and 29,995.68
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Solution
The fourth proportional to 123,490.56, 185,235.84 and 29,995.68 is: 44,993.52
Step by Step Solution
- Step 1: Write the proportion equation
123,490.56 : 185,235.84 = 29,995.68 : x - Step 2: Convert to fraction form
123,490.56/185,235.84 = 29,995.68/x - Step 3: Cross multiply
123,490.56x = 185,235.84 × 29,995.68 - Step 4: Simplify right side
123,490.56x = 5,556,274,981.17 - Step 5: Solve for x
x = 5,556,274,981.17/123,490.56 - Step 6: Final answer
x = 44,993.52
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Double scale
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Similar ratio
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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.