Home / 263,011.20-394,225.20-144,767.40

Finding the Fourth Proportional to 263,011.20, 394,225.20 and 144,767.40

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Solution

The fourth proportional to 263,011.20, 394,225.20 and 144,767.40 is: 216,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,011.20 : 394,225.20 = 144,767.40 : x
  2. Step 2: Convert to fraction form
    263,011.20/394,225.20 = 144,767.40/x
  3. Step 3: Cross multiply
    263,011.20x = 394,225.20 × 144,767.40
  4. Step 4: Simplify right side
    263,011.20x = 57,070,957,218.48
  5. Step 5: Solve for x
    x = 57,070,957,218.48/263,011.20
  6. Step 6: Final answer
    x = 216,990.60

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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.