Home / 439,828.20-659,655.90-144,340.20

Finding the Fourth Proportional to 439,828.20, 659,655.90 and 144,340.20

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Solution

The fourth proportional to 439,828.20, 659,655.90 and 144,340.20 is: 216,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,828.20 : 659,655.90 = 144,340.20 : x
  2. Step 2: Convert to fraction form
    439,828.20/659,655.90 = 144,340.20/x
  3. Step 3: Cross multiply
    439,828.20x = 659,655.90 × 144,340.20
  4. Step 4: Simplify right side
    439,828.20x = 95,214,864,537.18
  5. Step 5: Solve for x
    x = 95,214,864,537.18/439,828.20
  6. Step 6: Final answer
    x = 216,481.95

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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.