Finding the Fourth Proportional to 261,726.80, 392,506.97 and 84,192.48
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Solution
The fourth proportional to 261,726.80, 392,506.97 and 84,192.48 is: 126,261.95
Step by Step Solution
- Step 1: Write the proportion equation
261,726.80 : 392,506.97 = 84,192.48 : x - Step 2: Convert to fraction form
261,726.80/392,506.97 = 84,192.48/x - Step 3: Cross multiply
261,726.80x = 392,506.97 × 84,192.48 - Step 4: Simplify right side
261,726.80x = 33,046,134,800.62 - Step 5: Solve for x
x = 33,046,134,800.62/261,726.80 - Step 6: Final answer
x = 126,261.95
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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.