Home / 247,315.38-341,295.24-139,883.12

Finding the Fourth Proportional to 247,315.38, 341,295.24 and 139,883.12

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Solution

The fourth proportional to 247,315.38, 341,295.24 and 139,883.12 is: 193,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,315.38 : 341,295.24 = 139,883.12 : x
  2. Step 2: Convert to fraction form
    247,315.38/341,295.24 = 139,883.12/x
  3. Step 3: Cross multiply
    247,315.38x = 341,295.24 × 139,883.12
  4. Step 4: Simplify right side
    247,315.38x = 47,741,443,012.35
  5. Step 5: Solve for x
    x = 47,741,443,012.35/247,315.38
  6. Step 6: Final answer
    x = 193,038.71

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1.5x scale

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.