Home / 219,936.24-329,903.48-79,662

Finding the Fourth Proportional to 219,936.24, 329,903.48 and 79,662

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Solution

The fourth proportional to 219,936.24, 329,903.48 and 79,662 is: 119,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,936.24 : 329,903.48 = 79,662 : x
  2. Step 2: Convert to fraction form
    219,936.24/329,903.48 = 79,662/x
  3. Step 3: Cross multiply
    219,936.24x = 329,903.48 × 79,662
  4. Step 4: Simplify right side
    219,936.24x = 26,280,771,023.76
  5. Step 5: Solve for x
    x = 26,280,771,023.76/219,936.24
  6. Step 6: Final answer
    x = 119,492.68

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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.