Home / 238,881.24-329,657.28-131,448.60

Finding the Fourth Proportional to 238,881.24, 329,657.28 and 131,448.60

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Solution

The fourth proportional to 238,881.24, 329,657.28 and 131,448.60 is: 181,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,881.24 : 329,657.28 = 131,448.60 : x
  2. Step 2: Convert to fraction form
    238,881.24/329,657.28 = 131,448.60/x
  3. Step 3: Cross multiply
    238,881.24x = 329,657.28 × 131,448.60
  4. Step 4: Simplify right side
    238,881.24x = 43,332,987,935.81
  5. Step 5: Solve for x
    x = 43,332,987,935.81/238,881.24
  6. Step 6: Final answer
    x = 181,399.71

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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.