Home / 238,422.33-329,028.75-130,999.32

Finding the Fourth Proportional to 238,422.33, 329,028.75 and 130,999.32

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Solution

The fourth proportional to 238,422.33, 329,028.75 and 130,999.32 is: 180,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,422.33 : 329,028.75 = 130,999.32 : x
  2. Step 2: Convert to fraction form
    238,422.33/329,028.75 = 130,999.32/x
  3. Step 3: Cross multiply
    238,422.33x = 329,028.75 × 130,999.32
  4. Step 4: Simplify right side
    238,422.33x = 43,102,542,510.45
  5. Step 5: Solve for x
    x = 43,102,542,510.45/238,422.33
  6. Step 6: Final answer
    x = 180,782.32

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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.