Finding the Fourth Proportional to 392,489.80, 588,734.70 and 97,001.80
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Solution
The fourth proportional to 392,489.80, 588,734.70 and 97,001.80 is: 145,502.70
Step by Step Solution
- Step 1: Write the proportion equation
392,489.80 : 588,734.70 = 97,001.80 : x - Step 2: Convert to fraction form
392,489.80/588,734.70 = 97,001.80/x - Step 3: Cross multiply
392,489.80x = 588,734.70 × 97,001.80 - Step 4: Simplify right side
392,489.80x = 57,108,325,622.46 - Step 5: Solve for x
x = 57,108,325,622.46/392,489.80 - Step 6: Final answer
x = 145,502.70
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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.