Finding the Fourth Proportional to 395,472.11, 593,209.00 and 142,930.88
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Solution
The fourth proportional to 395,472.11, 593,209.00 and 142,930.88 is: 214,396.62
Step by Step Solution
- Step 1: Write the proportion equation
395,472.11 : 593,209.00 = 142,930.88 : x - Step 2: Convert to fraction form
395,472.11/593,209.00 = 142,930.88/x - Step 3: Cross multiply
395,472.11x = 593,209.00 × 142,930.88 - Step 4: Simplify right side
395,472.11x = 84,787,883,831.07 - Step 5: Solve for x
x = 84,787,883,831.07/395,472.11 - Step 6: Final answer
x = 214,396.62
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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.