Home / 265,708.32-366,659.10-149,439.20

Finding the Fourth Proportional to 265,708.32, 366,659.10 and 149,439.20

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Solution

The fourth proportional to 265,708.32, 366,659.10 and 149,439.20 is: 206,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,708.32 : 366,659.10 = 149,439.20 : x
  2. Step 2: Convert to fraction form
    265,708.32/366,659.10 = 149,439.20/x
  3. Step 3: Cross multiply
    265,708.32x = 366,659.10 × 149,439.20
  4. Step 4: Simplify right side
    265,708.32x = 54,793,242,576.72
  5. Step 5: Solve for x
    x = 54,793,242,576.72/265,708.32
  6. Step 6: Final answer
    x = 206,215.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.