Finding the Fourth Proportional to 465,023.68, 641,753.76 and 274,045.12
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Solution
The fourth proportional to 465,023.68, 641,753.76 and 274,045.12 is: 378,194.69
Step by Step Solution
- Step 1: Write the proportion equation
465,023.68 : 641,753.76 = 274,045.12 : x - Step 2: Convert to fraction form
465,023.68/641,753.76 = 274,045.12/x - Step 3: Cross multiply
465,023.68x = 641,753.76 × 274,045.12 - Step 4: Simplify right side
465,023.68x = 175,869,486,169.65 - Step 5: Solve for x
x = 175,869,486,169.65/465,023.68 - Step 6: Final answer
x = 378,194.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.