Home / 219,763.53-329,658.05-84,828.36

Finding the Fourth Proportional to 219,763.53, 329,658.05 and 84,828.36

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Solution

The fourth proportional to 219,763.53, 329,658.05 and 84,828.36 is: 127,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,763.53 : 329,658.05 = 84,828.36 : x
  2. Step 2: Convert to fraction form
    219,763.53/329,658.05 = 84,828.36/x
  3. Step 3: Cross multiply
    219,763.53x = 329,658.05 × 84,828.36
  4. Step 4: Simplify right side
    219,763.53x = 27,964,353,190.59
  5. Step 5: Solve for x
    x = 27,964,353,190.59/219,763.53
  6. Step 6: Final answer
    x = 127,247.47

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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.