Finding the Fourth Proportional to 415,963.20, 574,029.84 and 224,976.48
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Solution
The fourth proportional to 415,963.20, 574,029.84 and 224,976.48 is: 310,467.88
Step by Step Solution
- Step 1: Write the proportion equation
415,963.20 : 574,029.84 = 224,976.48 : x - Step 2: Convert to fraction form
415,963.20/574,029.84 = 224,976.48/x - Step 3: Cross multiply
415,963.20x = 574,029.84 × 224,976.48 - Step 4: Simplify right side
415,963.20x = 129,143,212,818.16 - Step 5: Solve for x
x = 129,143,212,818.16/415,963.20 - Step 6: Final answer
x = 310,467.88
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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.