Finding the Fourth Proportional to 202,306.80, 279,295.25 and 121,754.13
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Solution
The fourth proportional to 202,306.80, 279,295.25 and 121,754.13 is: 168,088.02
Step by Step Solution
- Step 1: Write the proportion equation
202,306.80 : 279,295.25 = 121,754.13 : x - Step 2: Convert to fraction form
202,306.80/279,295.25 = 121,754.13/x - Step 3: Cross multiply
202,306.80x = 279,295.25 × 121,754.13 - Step 4: Simplify right side
202,306.80x = 34,005,350,176.88 - Step 5: Solve for x
x = 34,005,350,176.88/202,306.80 - Step 6: Final answer
x = 168,088.02
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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.