Home / 238,900.30-329,682.47-131,470.33

Finding the Fourth Proportional to 238,900.30, 329,682.47 and 131,470.33

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Solution

The fourth proportional to 238,900.30, 329,682.47 and 131,470.33 is: 181,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,900.30 : 329,682.47 = 131,470.33 : x
  2. Step 2: Convert to fraction form
    238,900.30/329,682.47 = 131,470.33/x
  3. Step 3: Cross multiply
    238,900.30x = 329,682.47 × 131,470.33
  4. Step 4: Simplify right side
    238,900.30x = 43,343,463,126.12
  5. Step 5: Solve for x
    x = 43,343,463,126.12/238,900.30
  6. Step 6: Final answer
    x = 181,429.09

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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.