Finding the Fourth Proportional to 635,635.20, 953,449.92 and 215,201.28
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Solution
The fourth proportional to 635,635.20, 953,449.92 and 215,201.28 is: 322,800.94
Step by Step Solution
- Step 1: Write the proportion equation
635,635.20 : 953,449.92 = 215,201.28 : x - Step 2: Convert to fraction form
635,635.20/953,449.92 = 215,201.28/x - Step 3: Cross multiply
635,635.20x = 953,449.92 × 215,201.28 - Step 4: Simplify right side
635,635.20x = 205,183,643,199.90 - Step 5: Solve for x
x = 205,183,643,199.90/635,635.20 - Step 6: Final answer
x = 322,800.94
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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.