Finding the Fourth Proportional to 486,717.80, 729,947.10 and 149,757.80
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Solution
The fourth proportional to 486,717.80, 729,947.10 and 149,757.80 is: 224,596.82
Step by Step Solution
- Step 1: Write the proportion equation
486,717.80 : 729,947.10 = 149,757.80 : x - Step 2: Convert to fraction form
486,717.80/729,947.10 = 149,757.80/x - Step 3: Cross multiply
486,717.80x = 729,947.10 × 149,757.80 - Step 4: Simplify right side
486,717.80x = 109,315,271,812.38 - Step 5: Solve for x
x = 109,315,271,812.38/486,717.80 - Step 6: Final answer
x = 224,596.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.