Home / 247,308.38-341,285.57-139,876.11

Finding the Fourth Proportional to 247,308.38, 341,285.57 and 139,876.11

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Solution

The fourth proportional to 247,308.38, 341,285.57 and 139,876.11 is: 193,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,308.38 : 341,285.57 = 139,876.11 : x
  2. Step 2: Convert to fraction form
    247,308.38/341,285.57 = 139,876.11/x
  3. Step 3: Cross multiply
    247,308.38x = 341,285.57 × 139,876.11
  4. Step 4: Simplify right side
    247,308.38x = 47,737,698,280.42
  5. Step 5: Solve for x
    x = 47,737,698,280.42/247,308.38
  6. Step 6: Final answer
    x = 193,029.03

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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.