Finding the Fourth Proportional to 398,818.08, 550,355.52 and 237,589.62
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Solution
The fourth proportional to 398,818.08, 550,355.52 and 237,589.62 is: 327,865.67
Step by Step Solution
- Step 1: Write the proportion equation
398,818.08 : 550,355.52 = 237,589.62 : x - Step 2: Convert to fraction form
398,818.08/550,355.52 = 237,589.62/x - Step 3: Cross multiply
398,818.08x = 550,355.52 × 237,589.62 - Step 4: Simplify right side
398,818.08x = 130,758,758,861.70 - Step 5: Solve for x
x = 130,758,758,861.70/398,818.08 - Step 6: Final answer
x = 327,865.67
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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.