Finding the Fourth Proportional to 523,157.92, 722,174.88 and 353,621.68
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Solution
The fourth proportional to 523,157.92, 722,174.88 and 353,621.68 is: 488,144.56
Step by Step Solution
- Step 1: Write the proportion equation
523,157.92 : 722,174.88 = 353,621.68 : x - Step 2: Convert to fraction form
523,157.92/722,174.88 = 353,621.68/x - Step 3: Cross multiply
523,157.92x = 722,174.88 × 353,621.68 - Step 4: Simplify right side
523,157.92x = 255,376,694,319.40 - Step 5: Solve for x
x = 255,376,694,319.40/523,157.92 - Step 6: Final answer
x = 488,144.56
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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.