Home / 309,953.10-464,972.85-132,458.70

Finding the Fourth Proportional to 309,953.10, 464,972.85 and 132,458.70

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Solution

The fourth proportional to 309,953.10, 464,972.85 and 132,458.70 is: 198,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,953.10 : 464,972.85 = 132,458.70 : x
  2. Step 2: Convert to fraction form
    309,953.10/464,972.85 = 132,458.70/x
  3. Step 3: Cross multiply
    309,953.10x = 464,972.85 × 132,458.70
  4. Step 4: Simplify right side
    309,953.10x = 61,589,699,246.30
  5. Step 5: Solve for x
    x = 61,589,699,246.30/309,953.10
  6. Step 6: Final answer
    x = 198,706.51

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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.