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Finding the Fourth Proportional to 340,519.20, 510,001.20 and 200,551.20

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Solution

The fourth proportional to 340,519.20, 510,001.20 and 200,551.20 is: 300,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,519.20 : 510,001.20 = 200,551.20 : x
  2. Step 2: Convert to fraction form
    340,519.20/510,001.20 = 200,551.20/x
  3. Step 3: Cross multiply
    340,519.20x = 510,001.20 × 200,551.20
  4. Step 4: Simplify right side
    340,519.20x = 102,281,352,661.44
  5. Step 5: Solve for x
    x = 102,281,352,661.44/340,519.20
  6. Step 6: Final answer
    x = 300,368.83

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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.