Home / 219,330.05-329,007.06-69,559.49

Finding the Fourth Proportional to 219,330.05, 329,007.06 and 69,559.49

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Solution

The fourth proportional to 219,330.05, 329,007.06 and 69,559.49 is: 104,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.05 : 329,007.06 = 69,559.49 : x
  2. Step 2: Convert to fraction form
    219,330.05/329,007.06 = 69,559.49/x
  3. Step 3: Cross multiply
    219,330.05x = 329,007.06 × 69,559.49
  4. Step 4: Simplify right side
    219,330.05x = 22,885,564,122.52
  5. Step 5: Solve for x
    x = 22,885,564,122.52/219,330.05
  6. Step 6: Final answer
    x = 104,343.04

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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.