Finding the Fourth Proportional to 226,177.28, 339,275.34 and 76,432.80
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Solution
The fourth proportional to 226,177.28, 339,275.34 and 76,432.80 is: 114,652.38
Step by Step Solution
- Step 1: Write the proportion equation
226,177.28 : 339,275.34 = 76,432.80 : x - Step 2: Convert to fraction form
226,177.28/339,275.34 = 76,432.80/x - Step 3: Cross multiply
226,177.28x = 339,275.34 × 76,432.80 - Step 4: Simplify right side
226,177.28x = 25,931,764,207.15 - Step 5: Solve for x
x = 25,931,764,207.15/226,177.28 - Step 6: Final answer
x = 114,652.38
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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.