Home / 355,439.20-532,964.40-144,839.20

Finding the Fourth Proportional to 355,439.20, 532,964.40 and 144,839.20

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Solution

The fourth proportional to 355,439.20, 532,964.40 and 144,839.20 is: 217,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,439.20 : 532,964.40 = 144,839.20 : x
  2. Step 2: Convert to fraction form
    355,439.20/532,964.40 = 144,839.20/x
  3. Step 3: Cross multiply
    355,439.20x = 532,964.40 × 144,839.20
  4. Step 4: Simplify right side
    355,439.20x = 77,194,137,324.48
  5. Step 5: Solve for x
    x = 77,194,137,324.48/355,439.20
  6. Step 6: Final answer
    x = 217,179.58

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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.