Home / 219,958.34-329,939.73-70,209.18

Finding the Fourth Proportional to 219,958.34, 329,939.73 and 70,209.18

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Solution

The fourth proportional to 219,958.34, 329,939.73 and 70,209.18 is: 105,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,958.34 : 329,939.73 = 70,209.18 : x
  2. Step 2: Convert to fraction form
    219,958.34/329,939.73 = 70,209.18/x
  3. Step 3: Cross multiply
    219,958.34x = 329,939.73 × 70,209.18
  4. Step 4: Simplify right side
    219,958.34x = 23,164,797,892.72
  5. Step 5: Solve for x
    x = 23,164,797,892.72/219,958.34
  6. Step 6: Final answer
    x = 105,314.48

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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.