Home / 219,935.97-329,997.51-148,938.66

Finding the Fourth Proportional to 219,935.97, 329,997.51 and 148,938.66

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Solution

The fourth proportional to 219,935.97, 329,997.51 and 148,938.66 is: 223,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,935.97 : 329,997.51 = 148,938.66 : x
  2. Step 2: Convert to fraction form
    219,935.97/329,997.51 = 148,938.66/x
  3. Step 3: Cross multiply
    219,935.97x = 329,997.51 × 148,938.66
  4. Step 4: Simplify right side
    219,935.97x = 49,149,386,942.74
  5. Step 5: Solve for x
    x = 49,149,386,942.74/219,935.97
  6. Step 6: Final answer
    x = 223,471.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.