Home / 238,473.45-329,021.60-142,945.29

Finding the Fourth Proportional to 238,473.45, 329,021.60 and 142,945.29

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Solution

The fourth proportional to 238,473.45, 329,021.60 and 142,945.29 is: 197,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,473.45 : 329,021.60 = 142,945.29 : x
  2. Step 2: Convert to fraction form
    238,473.45/329,021.60 = 142,945.29/x
  3. Step 3: Cross multiply
    238,473.45x = 329,021.60 × 142,945.29
  4. Step 4: Simplify right side
    238,473.45x = 47,032,087,313.54
  5. Step 5: Solve for x
    x = 47,032,087,313.54/238,473.45
  6. Step 6: Final answer
    x = 197,221.48

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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.