Finding the Fourth Proportional to 498,853.16, 688,391.68 and 272,454.92
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Solution
The fourth proportional to 498,853.16, 688,391.68 and 272,454.92 is: 375,973.76
Step by Step Solution
- Step 1: Write the proportion equation
498,853.16 : 688,391.68 = 272,454.92 : x - Step 2: Convert to fraction form
498,853.16/688,391.68 = 272,454.92/x - Step 3: Cross multiply
498,853.16x = 688,391.68 × 272,454.92 - Step 4: Simplify right side
498,853.16x = 187,555,700,103.07 - Step 5: Solve for x
x = 187,555,700,103.07/498,853.16 - Step 6: Final answer
x = 375,973.76
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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.