Finding the Fourth Proportional to 158,724.05, 237,995.84 and 122,687.75
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Solution
The fourth proportional to 158,724.05, 237,995.84 and 122,687.75 is: 183,961.87
Step by Step Solution
- Step 1: Write the proportion equation
158,724.05 : 237,995.84 = 122,687.75 : x - Step 2: Convert to fraction form
158,724.05/237,995.84 = 122,687.75/x - Step 3: Cross multiply
158,724.05x = 237,995.84 × 122,687.75 - Step 4: Simplify right side
158,724.05x = 29,199,172,315.54 - Step 5: Solve for x
x = 29,199,172,315.54/158,724.05 - Step 6: Final answer
x = 183,961.87
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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.