Home / 247,310.64-341,288.67-139,878.36

Finding the Fourth Proportional to 247,310.64, 341,288.67 and 139,878.36

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Solution

The fourth proportional to 247,310.64, 341,288.67 and 139,878.36 is: 193,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,310.64 : 341,288.67 = 139,878.36 : x
  2. Step 2: Convert to fraction form
    247,310.64/341,288.67 = 139,878.36/x
  3. Step 3: Cross multiply
    247,310.64x = 341,288.67 × 139,878.36
  4. Step 4: Simplify right side
    247,310.64x = 47,738,899,446.18
  5. Step 5: Solve for x
    x = 47,738,899,446.18/247,310.64
  6. Step 6: Final answer
    x = 193,032.13

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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.