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Finding the Fourth Proportional to 227,369.79, 313,792.49 and 169,909.33

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Solution

The fourth proportional to 227,369.79, 313,792.49 and 169,909.33 is: 234,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,369.79 : 313,792.49 = 169,909.33 : x
  2. Step 2: Convert to fraction form
    227,369.79/313,792.49 = 169,909.33/x
  3. Step 3: Cross multiply
    227,369.79x = 313,792.49 × 169,909.33
  4. Step 4: Simplify right side
    227,369.79x = 53,316,271,734.93
  5. Step 5: Solve for x
    x = 53,316,271,734.93/227,369.79
  6. Step 6: Final answer
    x = 234,491.45

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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.