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Finding the Fourth Proportional to 340,001.70, 510,002.55 and 204,699.30

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Solution

The fourth proportional to 340,001.70, 510,002.55 and 204,699.30 is: 307,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,001.70 : 510,002.55 = 204,699.30 : x
  2. Step 2: Convert to fraction form
    340,001.70/510,002.55 = 204,699.30/x
  3. Step 3: Cross multiply
    340,001.70x = 510,002.55 × 204,699.30
  4. Step 4: Simplify right side
    340,001.70x = 104,397,164,983.22
  5. Step 5: Solve for x
    x = 104,397,164,983.22/340,001.70
  6. Step 6: Final answer
    x = 307,048.95

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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.