Home / 379,626.20-569,439.30-240,003.80

Finding the Fourth Proportional to 379,626.20, 569,439.30 and 240,003.80

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Solution

The fourth proportional to 379,626.20, 569,439.30 and 240,003.80 is: 360,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,626.20 : 569,439.30 = 240,003.80 : x
  2. Step 2: Convert to fraction form
    379,626.20/569,439.30 = 240,003.80/x
  3. Step 3: Cross multiply
    379,626.20x = 569,439.30 × 240,003.80
  4. Step 4: Simplify right side
    379,626.20x = 136,667,595,869.34
  5. Step 5: Solve for x
    x = 136,667,595,869.34/379,626.20
  6. Step 6: Final answer
    x = 360,005.70

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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.