Finding the Fourth Proportional to 216,724.74, 299,102.61 and 124,847.20
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Solution
The fourth proportional to 216,724.74, 299,102.61 and 124,847.20 is: 172,302.08
Step by Step Solution
- Step 1: Write the proportion equation
216,724.74 : 299,102.61 = 124,847.20 : x - Step 2: Convert to fraction form
216,724.74/299,102.61 = 124,847.20/x - Step 3: Cross multiply
216,724.74x = 299,102.61 × 124,847.20 - Step 4: Simplify right side
216,724.74x = 37,342,123,371.19 - Step 5: Solve for x
x = 37,342,123,371.19/216,724.74 - Step 6: Final answer
x = 172,302.08
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1.5x scale
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.