Home / 240,261.32-331,505.50-143,446.30

Finding the Fourth Proportional to 240,261.32, 331,505.50 and 143,446.30

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Solution

The fourth proportional to 240,261.32, 331,505.50 and 143,446.30 is: 197,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,261.32 : 331,505.50 = 143,446.30 : x
  2. Step 2: Convert to fraction form
    240,261.32/331,505.50 = 143,446.30/x
  3. Step 3: Cross multiply
    240,261.32x = 331,505.50 × 143,446.30
  4. Step 4: Simplify right side
    240,261.32x = 47,553,237,404.65
  5. Step 5: Solve for x
    x = 47,553,237,404.65/240,261.32
  6. Step 6: Final answer
    x = 197,922.98

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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.