Finding the Fourth Proportional to 415,721.36, 573,695.80 and 224,734.70
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Solution
The fourth proportional to 415,721.36, 573,695.80 and 224,734.70 is: 310,134.06
Step by Step Solution
- Step 1: Write the proportion equation
415,721.36 : 573,695.80 = 224,734.70 : x - Step 2: Convert to fraction form
415,721.36/573,695.80 = 224,734.70/x - Step 3: Cross multiply
415,721.36x = 573,695.80 × 224,734.70 - Step 4: Simplify right side
415,721.36x = 128,929,350,073.94 - Step 5: Solve for x
x = 128,929,350,073.94/415,721.36 - Step 6: Final answer
x = 310,134.06
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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.