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Finding the Fourth Proportional to 272,369.16, 408,564.72 and 94,894.14

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Solution

The fourth proportional to 272,369.16, 408,564.72 and 94,894.14 is: 142,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,369.16 : 408,564.72 = 94,894.14 : x
  2. Step 2: Convert to fraction form
    272,369.16/408,564.72 = 94,894.14/x
  3. Step 3: Cross multiply
    272,369.16x = 408,564.72 × 94,894.14
  4. Step 4: Simplify right side
    272,369.16x = 38,770,397,738.74
  5. Step 5: Solve for x
    x = 38,770,397,738.74/272,369.16
  6. Step 6: Final answer
    x = 142,345.04

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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.