Home / 238,900.43-329,682.64-131,470.46

Finding the Fourth Proportional to 238,900.43, 329,682.64 and 131,470.46

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Solution

The fourth proportional to 238,900.43, 329,682.64 and 131,470.46 is: 181,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,900.43 : 329,682.64 = 131,470.46 : x
  2. Step 2: Convert to fraction form
    238,900.43/329,682.64 = 131,470.46/x
  3. Step 3: Cross multiply
    238,900.43x = 329,682.64 × 131,470.46
  4. Step 4: Simplify right side
    238,900.43x = 43,343,527,840.54
  5. Step 5: Solve for x
    x = 43,343,527,840.54/238,900.43
  6. Step 6: Final answer
    x = 181,429.26

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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.