Finding the Fourth Proportional to 361,306.51, 498,402.11 and 284,542.81
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Solution
The fourth proportional to 361,306.51, 498,402.11 and 284,542.81 is: 392,510.88
Step by Step Solution
- Step 1: Write the proportion equation
361,306.51 : 498,402.11 = 284,542.81 : x - Step 2: Convert to fraction form
361,306.51/498,402.11 = 284,542.81/x - Step 3: Cross multiply
361,306.51x = 498,402.11 × 284,542.81 - Step 4: Simplify right side
361,306.51x = 141,816,736,354.68 - Step 5: Solve for x
x = 141,816,736,354.68/361,306.51 - Step 6: Final answer
x = 392,510.88
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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.