Finding the Fourth Proportional to 486,159.53, 729,239.29 and 131,173.55
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Solution
The fourth proportional to 486,159.53, 729,239.29 and 131,173.55 is: 196,760.32
Step by Step Solution
- Step 1: Write the proportion equation
486,159.53 : 729,239.29 = 131,173.55 : x - Step 2: Convert to fraction form
486,159.53/729,239.29 = 131,173.55/x - Step 3: Cross multiply
486,159.53x = 729,239.29 × 131,173.55 - Step 4: Simplify right side
486,159.53x = 95,656,905,001.36 - Step 5: Solve for x
x = 95,656,905,001.36/486,159.53 - Step 6: Final answer
x = 196,760.32
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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.