Home / 238,040.46-328,499.07-130,608.54

Finding the Fourth Proportional to 238,040.46, 328,499.07 and 130,608.54

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Solution

The fourth proportional to 238,040.46, 328,499.07 and 130,608.54 is: 180,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,040.46 : 328,499.07 = 130,608.54 : x
  2. Step 2: Convert to fraction form
    238,040.46/328,499.07 = 130,608.54/x
  3. Step 3: Cross multiply
    238,040.46x = 328,499.07 × 130,608.54
  4. Step 4: Simplify right side
    238,040.46x = 42,904,783,924.06
  5. Step 5: Solve for x
    x = 42,904,783,924.06/238,040.46
  6. Step 6: Final answer
    x = 180,241.56

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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.