Finding the Fourth Proportional to 486,160.96, 728,191.68 and 474,263.68
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Solution
The fourth proportional to 486,160.96, 728,191.68 and 474,263.68 is: 710,371.45
Step by Step Solution
- Step 1: Write the proportion equation
486,160.96 : 728,191.68 = 474,263.68 : x - Step 2: Convert to fraction form
486,160.96/728,191.68 = 474,263.68/x - Step 3: Cross multiply
486,160.96x = 728,191.68 × 474,263.68 - Step 4: Simplify right side
486,160.96x = 345,354,865,902.18 - Step 5: Solve for x
x = 345,354,865,902.18/486,160.96 - Step 6: Final answer
x = 710,371.45
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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.