Home / 247,269.85-341,238.90-139,855.75

Finding the Fourth Proportional to 247,269.85, 341,238.90 and 139,855.75

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Solution

The fourth proportional to 247,269.85, 341,238.90 and 139,855.75 is: 193,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,269.85 : 341,238.90 = 139,855.75 : x
  2. Step 2: Convert to fraction form
    247,269.85/341,238.90 = 139,855.75/x
  3. Step 3: Cross multiply
    247,269.85x = 341,238.90 × 139,855.75
  4. Step 4: Simplify right side
    247,269.85x = 47,724,222,288.68
  5. Step 5: Solve for x
    x = 47,724,222,288.68/247,269.85
  6. Step 6: Final answer
    x = 193,004.62

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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.