Home / 269,178.20-371,461-148,330.72

Finding the Fourth Proportional to 269,178.20, 371,461 and 148,330.72

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Solution

The fourth proportional to 269,178.20, 371,461 and 148,330.72 is: 204,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,178.20 : 371,461 = 148,330.72 : x
  2. Step 2: Convert to fraction form
    269,178.20/371,461 = 148,330.72/x
  3. Step 3: Cross multiply
    269,178.20x = 371,461 × 148,330.72
  4. Step 4: Simplify right side
    269,178.20x = 55,099,077,581.92
  5. Step 5: Solve for x
    x = 55,099,077,581.92/269,178.20
  6. Step 6: Final answer
    x = 204,693.68

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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.