Home / 239,288.35-358,989.80-68,512.43

Finding the Fourth Proportional to 239,288.35, 358,989.80 and 68,512.43

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Solution

The fourth proportional to 239,288.35, 358,989.80 and 68,512.43 is: 102,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,288.35 : 358,989.80 = 68,512.43 : x
  2. Step 2: Convert to fraction form
    239,288.35/358,989.80 = 68,512.43/x
  3. Step 3: Cross multiply
    239,288.35x = 358,989.80 × 68,512.43
  4. Step 4: Simplify right side
    239,288.35x = 24,595,264,290.82
  5. Step 5: Solve for x
    x = 24,595,264,290.82/239,288.35
  6. Step 6: Final answer
    x = 102,785.05

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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.