Home / 486,964.10-730,458.61-230,736.55

Finding the Fourth Proportional to 486,964.10, 730,458.61 and 230,736.55

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Solution

The fourth proportional to 486,964.10, 730,458.61 and 230,736.55 is: 346,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,964.10 : 730,458.61 = 230,736.55 : x
  2. Step 2: Convert to fraction form
    486,964.10/730,458.61 = 230,736.55/x
  3. Step 3: Cross multiply
    486,964.10x = 730,458.61 × 230,736.55
  4. Step 4: Simplify right side
    486,964.10x = 168,543,498,555.82
  5. Step 5: Solve for x
    x = 168,543,498,555.82/486,964.10
  6. Step 6: Final answer
    x = 346,110.72

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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.