Home / 219,506.28-329,225.70-69,727.20

Finding the Fourth Proportional to 219,506.28, 329,225.70 and 69,727.20

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Solution

The fourth proportional to 219,506.28, 329,225.70 and 69,727.20 is: 104,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,506.28 : 329,225.70 = 69,727.20 : x
  2. Step 2: Convert to fraction form
    219,506.28/329,225.70 = 69,727.20/x
  3. Step 3: Cross multiply
    219,506.28x = 329,225.70 × 69,727.20
  4. Step 4: Simplify right side
    219,506.28x = 22,955,986,229.04
  5. Step 5: Solve for x
    x = 22,955,986,229.04/219,506.28
  6. Step 6: Final answer
    x = 104,580.09

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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.