Home / 219,948.72-329,920.20-53,738.16

Finding the Fourth Proportional to 219,948.72, 329,920.20 and 53,738.16

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Solution

The fourth proportional to 219,948.72, 329,920.20 and 53,738.16 is: 80,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.72 : 329,920.20 = 53,738.16 : x
  2. Step 2: Convert to fraction form
    219,948.72/329,920.20 = 53,738.16/x
  3. Step 3: Cross multiply
    219,948.72x = 329,920.20 × 53,738.16
  4. Step 4: Simplify right side
    219,948.72x = 17,729,304,494.83
  5. Step 5: Solve for x
    x = 17,729,304,494.83/219,948.72
  6. Step 6: Final answer
    x = 80,606.54

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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.