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Finding the Fourth Proportional to 240,401.40, 331,649.69 and 144,853.80

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Solution

The fourth proportional to 240,401.40, 331,649.69 and 144,853.80 is: 199,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,401.40 : 331,649.69 = 144,853.80 : x
  2. Step 2: Convert to fraction form
    240,401.40/331,649.69 = 144,853.80/x
  3. Step 3: Cross multiply
    240,401.40x = 331,649.69 × 144,853.80
  4. Step 4: Simplify right side
    240,401.40x = 48,040,717,141.05
  5. Step 5: Solve for x
    x = 48,040,717,141.05/240,401.40
  6. Step 6: Final answer
    x = 199,835.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.