Finding the Fourth Proportional to 491,177.70, 736,990.11 and 238,321.62
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Solution
The fourth proportional to 491,177.70, 736,990.11 and 238,321.62 is: 357,590.90
Step by Step Solution
- Step 1: Write the proportion equation
491,177.70 : 736,990.11 = 238,321.62 : x - Step 2: Convert to fraction form
491,177.70/736,990.11 = 238,321.62/x - Step 3: Cross multiply
491,177.70x = 736,990.11 × 238,321.62 - Step 4: Simplify right side
491,177.70x = 175,640,676,939.18 - Step 5: Solve for x
x = 175,640,676,939.18/491,177.70 - Step 6: Final answer
x = 357,590.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.