Home / 263,008.20-394,220.70-144,764.40

Finding the Fourth Proportional to 263,008.20, 394,220.70 and 144,764.40

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Solution

The fourth proportional to 263,008.20, 394,220.70 and 144,764.40 is: 216,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,008.20 : 394,220.70 = 144,764.40 : x
  2. Step 2: Convert to fraction form
    263,008.20/394,220.70 = 144,764.40/x
  3. Step 3: Cross multiply
    263,008.20x = 394,220.70 × 144,764.40
  4. Step 4: Simplify right side
    263,008.20x = 57,069,123,103.08
  5. Step 5: Solve for x
    x = 57,069,123,103.08/263,008.20
  6. Step 6: Final answer
    x = 216,986.10

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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.