Finding the Fourth Proportional to 458,077.44, 687,116.18 and 248,125.44
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Solution
The fourth proportional to 458,077.44, 687,116.18 and 248,125.44 is: 372,188.17
Step by Step Solution
- Step 1: Write the proportion equation
458,077.44 : 687,116.18 = 248,125.44 : x - Step 2: Convert to fraction form
458,077.44/687,116.18 = 248,125.44/x - Step 3: Cross multiply
458,077.44x = 687,116.18 × 248,125.44 - Step 4: Simplify right side
458,077.44x = 170,491,003,252.99 - Step 5: Solve for x
x = 170,491,003,252.99/458,077.44 - Step 6: Final answer
x = 372,188.17
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Similar ratio
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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.