Finding the Fourth Proportional to 458,635.04, 688,149.68 and 237,174.56
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Solution
The fourth proportional to 458,635.04, 688,149.68 and 237,174.56 is: 355,863.78
Step by Step Solution
- Step 1: Write the proportion equation
458,635.04 : 688,149.68 = 237,174.56 : x - Step 2: Convert to fraction form
458,635.04/688,149.68 = 237,174.56/x - Step 3: Cross multiply
458,635.04x = 688,149.68 × 237,174.56 - Step 4: Simplify right side
458,635.04x = 163,211,597,568.14 - Step 5: Solve for x
x = 163,211,597,568.14/458,635.04 - Step 6: Final answer
x = 355,863.78
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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.