Home / 239,738.92-357,785.45-213,167.56

Finding the Fourth Proportional to 239,738.92, 357,785.45 and 213,167.56

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Solution

The fourth proportional to 239,738.92, 357,785.45 and 213,167.56 is: 318,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,738.92 : 357,785.45 = 213,167.56 : x
  2. Step 2: Convert to fraction form
    239,738.92/357,785.45 = 213,167.56/x
  3. Step 3: Cross multiply
    239,738.92x = 357,785.45 × 213,167.56
  4. Step 4: Simplify right side
    239,738.92x = 76,268,251,380.00
  5. Step 5: Solve for x
    x = 76,268,251,380.00/239,738.92
  6. Step 6: Final answer
    x = 318,130.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.