Finding the Fourth Proportional to 293,708.97, 440,563.88 and 72,092.97
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Solution
The fourth proportional to 293,708.97, 440,563.88 and 72,092.97 is: 108,139.56
Step by Step Solution
- Step 1: Write the proportion equation
293,708.97 : 440,563.88 = 72,092.97 : x - Step 2: Convert to fraction form
293,708.97/440,563.88 = 72,092.97/x - Step 3: Cross multiply
293,708.97x = 440,563.88 × 72,092.97 - Step 4: Simplify right side
293,708.97x = 31,761,558,223.46 - Step 5: Solve for x
x = 31,761,558,223.46/293,708.97 - Step 6: Final answer
x = 108,139.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.