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Finding the Fourth Proportional to 626,383.10, 939,571 and 226,930.58

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Solution

The fourth proportional to 626,383.10, 939,571 and 226,930.58 is: 340,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,383.10 : 939,571 = 226,930.58 : x
  2. Step 2: Convert to fraction form
    626,383.10/939,571 = 226,930.58/x
  3. Step 3: Cross multiply
    626,383.10x = 939,571 × 226,930.58
  4. Step 4: Simplify right side
    626,383.10x = 213,217,391,981.18
  5. Step 5: Solve for x
    x = 213,217,391,981.18/626,383.10
  6. Step 6: Final answer
    x = 340,394.55

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1.5x scale

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.