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Finding the Fourth Proportional to 340,013.28, 468,954.72 and 219,174.24

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Solution

The fourth proportional to 340,013.28, 468,954.72 and 219,174.24 is: 302,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,013.28 : 468,954.72 = 219,174.24 : x
  2. Step 2: Convert to fraction form
    340,013.28/468,954.72 = 219,174.24/x
  3. Step 3: Cross multiply
    340,013.28x = 468,954.72 × 219,174.24
  4. Step 4: Simplify right side
    340,013.28x = 102,782,794,350.41
  5. Step 5: Solve for x
    x = 102,782,794,350.41/340,013.28
  6. Step 6: Final answer
    x = 302,290.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.