Finding the Fourth Proportional to 406,077.24, 560,378.36 and 224,789.28
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Solution
The fourth proportional to 406,077.24, 560,378.36 and 224,789.28 is: 310,204.65
Step by Step Solution
- Step 1: Write the proportion equation
406,077.24 : 560,378.36 = 224,789.28 : x - Step 2: Convert to fraction form
406,077.24/560,378.36 = 224,789.28/x - Step 3: Cross multiply
406,077.24x = 560,378.36 × 224,789.28 - Step 4: Simplify right side
406,077.24x = 125,967,048,071.98 - Step 5: Solve for x
x = 125,967,048,071.98/406,077.24 - Step 6: Final answer
x = 310,204.65
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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.