Home / 268,436.38-370,432.76-147,576.79

Finding the Fourth Proportional to 268,436.38, 370,432.76 and 147,576.79

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Solution

The fourth proportional to 268,436.38, 370,432.76 and 147,576.79 is: 203,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,436.38 : 370,432.76 = 147,576.79 : x
  2. Step 2: Convert to fraction form
    268,436.38/370,432.76 = 147,576.79/x
  3. Step 3: Cross multiply
    268,436.38x = 370,432.76 × 147,576.79
  4. Step 4: Simplify right side
    268,436.38x = 54,667,275,041.59
  5. Step 5: Solve for x
    x = 54,667,275,041.59/268,436.38
  6. Step 6: Final answer
    x = 203,650.77

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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.