Finding the Fourth Proportional to 493,304.18, 680,761.87 and 266,949.68
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Solution
The fourth proportional to 493,304.18, 680,761.87 and 266,949.68 is: 368,391.69
Step by Step Solution
- Step 1: Write the proportion equation
493,304.18 : 680,761.87 = 266,949.68 : x - Step 2: Convert to fraction form
493,304.18/680,761.87 = 266,949.68/x - Step 3: Cross multiply
493,304.18x = 680,761.87 × 266,949.68 - Step 4: Simplify right side
493,304.18x = 181,729,159,281.52 - Step 5: Solve for x
x = 181,729,159,281.52/493,304.18 - Step 6: Final answer
x = 368,391.69
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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.