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Finding the Fourth Proportional to 250,438.80, 375,658.20 and 219,334.80

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Solution

The fourth proportional to 250,438.80, 375,658.20 and 219,334.80 is: 329,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,438.80 : 375,658.20 = 219,334.80 : x
  2. Step 2: Convert to fraction form
    250,438.80/375,658.20 = 219,334.80/x
  3. Step 3: Cross multiply
    250,438.80x = 375,658.20 × 219,334.80
  4. Step 4: Simplify right side
    250,438.80x = 82,394,916,165.36
  5. Step 5: Solve for x
    x = 82,394,916,165.36/250,438.80
  6. Step 6: Final answer
    x = 329,002.20

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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.