Finding the Fourth Proportional to 440,774.73, 661,169.39 and 125,219.79
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Solution
The fourth proportional to 440,774.73, 661,169.39 and 125,219.79 is: 187,831.76
Step by Step Solution
- Step 1: Write the proportion equation
440,774.73 : 661,169.39 = 125,219.79 : x - Step 2: Convert to fraction form
440,774.73/661,169.39 = 125,219.79/x - Step 3: Cross multiply
440,774.73x = 661,169.39 × 125,219.79 - Step 4: Simplify right side
440,774.73x = 82,791,491,544.13 - Step 5: Solve for x
x = 82,791,491,544.13/440,774.73 - Step 6: Final answer
x = 187,831.76
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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.