Finding the Fourth Proportional to 415,078.24, 572,769.12 and 245,279.92
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Solution
The fourth proportional to 415,078.24, 572,769.12 and 245,279.92 is: 338,463.33
Step by Step Solution
- Step 1: Write the proportion equation
415,078.24 : 572,769.12 = 245,279.92 : x - Step 2: Convert to fraction form
415,078.24/572,769.12 = 245,279.92/x - Step 3: Cross multiply
415,078.24x = 572,769.12 × 245,279.92 - Step 4: Simplify right side
415,078.24x = 140,488,763,932.07 - Step 5: Solve for x
x = 140,488,763,932.07/415,078.24 - Step 6: Final answer
x = 338,463.33
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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.