Finding the Fourth Proportional to 202,831.20, 304,246.80 and 92,023.20
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Solution
The fourth proportional to 202,831.20, 304,246.80 and 92,023.20 is: 138,034.80
Step by Step Solution
- Step 1: Write the proportion equation
202,831.20 : 304,246.80 = 92,023.20 : x - Step 2: Convert to fraction form
202,831.20/304,246.80 = 92,023.20/x - Step 3: Cross multiply
202,831.20x = 304,246.80 × 92,023.20 - Step 4: Simplify right side
202,831.20x = 27,997,764,125.76 - Step 5: Solve for x
x = 27,997,764,125.76/202,831.20 - Step 6: Final answer
x = 138,034.80
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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.