Finding the Fourth Proportional to 406,177.28, 560,542.16 and 224,889.21
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Solution
The fourth proportional to 406,177.28, 560,542.16 and 224,889.21 is: 310,356.80
Step by Step Solution
- Step 1: Write the proportion equation
406,177.28 : 560,542.16 = 224,889.21 : x - Step 2: Convert to fraction form
406,177.28/560,542.16 = 224,889.21/x - Step 3: Cross multiply
406,177.28x = 560,542.16 × 224,889.21 - Step 4: Simplify right side
406,177.28x = 126,059,880,731.38 - Step 5: Solve for x
x = 126,059,880,731.38/406,177.28 - Step 6: Final answer
x = 310,356.80
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1.5x scale
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.