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Finding the Fourth Proportional to 652,717.30, 978,854.20 and 226,153.57

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Solution

The fourth proportional to 652,717.30, 978,854.20 and 226,153.57 is: 339,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,717.30 : 978,854.20 = 226,153.57 : x
  2. Step 2: Convert to fraction form
    652,717.30/978,854.20 = 226,153.57/x
  3. Step 3: Cross multiply
    652,717.30x = 978,854.20 × 226,153.57
  4. Step 4: Simplify right side
    652,717.30x = 221,371,371,839.49
  5. Step 5: Solve for x
    x = 221,371,371,839.49/652,717.30
  6. Step 6: Final answer
    x = 339,153.52

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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.