Finding the Fourth Proportional to 398,283.44, 549,626.10 and 217,002.92
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Solution
The fourth proportional to 398,283.44, 549,626.10 and 217,002.92 is: 299,461.28
Step by Step Solution
- Step 1: Write the proportion equation
398,283.44 : 549,626.10 = 217,002.92 : x - Step 2: Convert to fraction form
398,283.44/549,626.10 = 217,002.92/x - Step 3: Cross multiply
398,283.44x = 549,626.10 × 217,002.92 - Step 4: Simplify right side
398,283.44x = 119,270,468,608.21 - Step 5: Solve for x
x = 119,270,468,608.21/398,283.44 - Step 6: Final answer
x = 299,461.28
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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.