Finding the Fourth Proportional to 346,831.20, 519,958.80 and 147,304.80
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Solution
The fourth proportional to 346,831.20, 519,958.80 and 147,304.80 is: 220,834.88
Step by Step Solution
- Step 1: Write the proportion equation
346,831.20 : 519,958.80 = 147,304.80 : x - Step 2: Convert to fraction form
346,831.20/519,958.80 = 147,304.80/x - Step 3: Cross multiply
346,831.20x = 519,958.80 × 147,304.80 - Step 4: Simplify right side
346,831.20x = 76,592,427,042.24 - Step 5: Solve for x
x = 76,592,427,042.24/346,831.20 - Step 6: Final answer
x = 220,834.88
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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.