Home / 219,016.20-328,564.86-69,294.18

Finding the Fourth Proportional to 219,016.20, 328,564.86 and 69,294.18

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Solution

The fourth proportional to 219,016.20, 328,564.86 and 69,294.18 is: 103,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,016.20 : 328,564.86 = 69,294.18 : x
  2. Step 2: Convert to fraction form
    219,016.20/328,564.86 = 69,294.18/x
  3. Step 3: Cross multiply
    219,016.20x = 328,564.86 × 69,294.18
  4. Step 4: Simplify right side
    219,016.20x = 22,767,633,522.78
  5. Step 5: Solve for x
    x = 22,767,633,522.78/219,016.20
  6. Step 6: Final answer
    x = 103,954.11

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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.