Home / 279,323.20-385,469.60-152,002.24

Finding the Fourth Proportional to 279,323.20, 385,469.60 and 152,002.24

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Solution

The fourth proportional to 279,323.20, 385,469.60 and 152,002.24 is: 209,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,323.20 : 385,469.60 = 152,002.24 : x
  2. Step 2: Convert to fraction form
    279,323.20/385,469.60 = 152,002.24/x
  3. Step 3: Cross multiply
    279,323.20x = 385,469.60 × 152,002.24
  4. Step 4: Simplify right side
    279,323.20x = 58,592,242,651.90
  5. Step 5: Solve for x
    x = 58,592,242,651.90/279,323.20
  6. Step 6: Final answer
    x = 209,765.04

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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.