Home / 238,442.40-329,079.12-143,001.60

Finding the Fourth Proportional to 238,442.40, 329,079.12 and 143,001.60

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Solution

The fourth proportional to 238,442.40, 329,079.12 and 143,001.60 is: 197,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,442.40 : 329,079.12 = 143,001.60 : x
  2. Step 2: Convert to fraction form
    238,442.40/329,079.12 = 143,001.60/x
  3. Step 3: Cross multiply
    238,442.40x = 329,079.12 × 143,001.60
  4. Step 4: Simplify right side
    238,442.40x = 47,058,840,686.59
  5. Step 5: Solve for x
    x = 47,058,840,686.59/238,442.40
  6. Step 6: Final answer
    x = 197,359.37

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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.