Home / 293,474.28-440,153.10-143,650.20

Finding the Fourth Proportional to 293,474.28, 440,153.10 and 143,650.20

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Solution

The fourth proportional to 293,474.28, 440,153.10 and 143,650.20 is: 215,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,474.28 : 440,153.10 = 143,650.20 : x
  2. Step 2: Convert to fraction form
    293,474.28/440,153.10 = 143,650.20/x
  3. Step 3: Cross multiply
    293,474.28x = 440,153.10 × 143,650.20
  4. Step 4: Simplify right side
    293,474.28x = 63,228,080,845.62
  5. Step 5: Solve for x
    x = 63,228,080,845.62/293,474.28
  6. Step 6: Final answer
    x = 215,446.75

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1.5x scale

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.