Finding the Fourth Proportional to 461,134.20, 691,701.30 and 325,831.80
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Solution
The fourth proportional to 461,134.20, 691,701.30 and 325,831.80 is: 488,747.70
Step by Step Solution
- Step 1: Write the proportion equation
461,134.20 : 691,701.30 = 325,831.80 : x - Step 2: Convert to fraction form
461,134.20/691,701.30 = 325,831.80/x - Step 3: Cross multiply
461,134.20x = 691,701.30 × 325,831.80 - Step 4: Simplify right side
461,134.20x = 225,378,279,641.34 - Step 5: Solve for x
x = 225,378,279,641.34/461,134.20 - Step 6: Final answer
x = 488,747.70
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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.