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Finding the Fourth Proportional to 234,569, 323,703.38 and 127,136.28

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Solution

The fourth proportional to 234,569, 323,703.38 and 127,136.28 is: 175,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,569 : 323,703.38 = 127,136.28 : x
  2. Step 2: Convert to fraction form
    234,569/323,703.38 = 127,136.28/x
  3. Step 3: Cross multiply
    234,569x = 323,703.38 × 127,136.28
  4. Step 4: Simplify right side
    234,569x = 41,154,443,556.63
  5. Step 5: Solve for x
    x = 41,154,443,556.63/234,569
  6. Step 6: Final answer
    x = 175,447.07

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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.