Home / 247,406.56-341,421.06-139,974.28

Finding the Fourth Proportional to 247,406.56, 341,421.06 and 139,974.28

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Solution

The fourth proportional to 247,406.56, 341,421.06 and 139,974.28 is: 193,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,406.56 : 341,421.06 = 139,974.28 : x
  2. Step 2: Convert to fraction form
    247,406.56/341,421.06 = 139,974.28/x
  3. Step 3: Cross multiply
    247,406.56x = 341,421.06 × 139,974.28
  4. Step 4: Simplify right side
    247,406.56x = 47,790,167,050.34
  5. Step 5: Solve for x
    x = 47,790,167,050.34/247,406.56
  6. Step 6: Final answer
    x = 193,164.51

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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.