Finding the Fourth Proportional to 486,233.20, 729,349.80 and 131,283.10
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Solution
The fourth proportional to 486,233.20, 729,349.80 and 131,283.10 is: 196,924.65
Step by Step Solution
- Step 1: Write the proportion equation
486,233.20 : 729,349.80 = 131,283.10 : x - Step 2: Convert to fraction form
486,233.20/729,349.80 = 131,283.10/x - Step 3: Cross multiply
486,233.20x = 729,349.80 × 131,283.10 - Step 4: Simplify right side
486,233.20x = 95,751,302,728.38 - Step 5: Solve for x
x = 95,751,302,728.38/486,233.20 - Step 6: Final answer
x = 196,924.65
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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.