Finding the Fourth Proportional to 307,414.08, 461,168.80 and 129,921.84
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Solution
The fourth proportional to 307,414.08, 461,168.80 and 129,921.84 is: 194,902.91
Step by Step Solution
- Step 1: Write the proportion equation
307,414.08 : 461,168.80 = 129,921.84 : x - Step 2: Convert to fraction form
307,414.08/461,168.80 = 129,921.84/x - Step 3: Cross multiply
307,414.08x = 461,168.80 × 129,921.84 - Step 4: Simplify right side
307,414.08x = 59,915,899,046.59 - Step 5: Solve for x
x = 59,915,899,046.59/307,414.08 - Step 6: Final answer
x = 194,902.91
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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.