Home / 219,234.20-328,851.30-144,438.80

Finding the Fourth Proportional to 219,234.20, 328,851.30 and 144,438.80

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Solution

The fourth proportional to 219,234.20, 328,851.30 and 144,438.80 is: 216,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,234.20 : 328,851.30 = 144,438.80 : x
  2. Step 2: Convert to fraction form
    219,234.20/328,851.30 = 144,438.80/x
  3. Step 3: Cross multiply
    219,234.20x = 328,851.30 × 144,438.80
  4. Step 4: Simplify right side
    219,234.20x = 47,498,887,150.44
  5. Step 5: Solve for x
    x = 47,498,887,150.44/219,234.20
  6. Step 6: Final answer
    x = 216,658.20

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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.