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Finding the Fourth Proportional to 602,212.34, 903,668.34 and 269,788.34

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Solution

The fourth proportional to 602,212.34, 903,668.34 and 269,788.34 is: 404,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,212.34 : 903,668.34 = 269,788.34 : x
  2. Step 2: Convert to fraction form
    602,212.34/903,668.34 = 269,788.34/x
  3. Step 3: Cross multiply
    602,212.34x = 903,668.34 × 269,788.34
  4. Step 4: Simplify right side
    602,212.34x = 243,799,181,359.16
  5. Step 5: Solve for x
    x = 243,799,181,359.16/602,212.34
  6. Step 6: Final answer
    x = 404,839.23

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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.