Home / 305,452.76-457,995.06-136,942.58

Finding the Fourth Proportional to 305,452.76, 457,995.06 and 136,942.58

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Solution

The fourth proportional to 305,452.76, 457,995.06 and 136,942.58 is: 205,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,452.76 : 457,995.06 = 136,942.58 : x
  2. Step 2: Convert to fraction form
    305,452.76/457,995.06 = 136,942.58/x
  3. Step 3: Cross multiply
    305,452.76x = 457,995.06 × 136,942.58
  4. Step 4: Simplify right side
    305,452.76x = 62,719,025,143.65
  5. Step 5: Solve for x
    x = 62,719,025,143.65/305,452.76
  6. Step 6: Final answer
    x = 205,331.34

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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.