Finding the Fourth Proportional to 202,831.20, 304,432.80 and 103,060.80
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Solution
The fourth proportional to 202,831.20, 304,432.80 and 103,060.80 is: 154,685.71
Step by Step Solution
- Step 1: Write the proportion equation
202,831.20 : 304,432.80 = 103,060.80 : x - Step 2: Convert to fraction form
202,831.20/304,432.80 = 103,060.80/x - Step 3: Cross multiply
202,831.20x = 304,432.80 × 103,060.80 - Step 4: Simplify right side
202,831.20x = 31,375,087,914.24 - Step 5: Solve for x
x = 31,375,087,914.24/202,831.20 - Step 6: Final answer
x = 154,685.71
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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.