Finding the Fourth Proportional to 493,319.80, 739,979.70 and 227,599.30
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Solution
The fourth proportional to 493,319.80, 739,979.70 and 227,599.30 is: 341,398.95
Step by Step Solution
- Step 1: Write the proportion equation
493,319.80 : 739,979.70 = 227,599.30 : x - Step 2: Convert to fraction form
493,319.80/739,979.70 = 227,599.30/x - Step 3: Cross multiply
493,319.80x = 739,979.70 × 227,599.30 - Step 4: Simplify right side
493,319.80x = 168,418,861,734.21 - Step 5: Solve for x
x = 168,418,861,734.21/493,319.80 - Step 6: Final answer
x = 341,398.95
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1.5x scale
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.