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Finding the Fourth Proportional to 280,608.93, 387,247.91 and 167,497.29

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Solution

The fourth proportional to 280,608.93, 387,247.91 and 167,497.29 is: 231,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,608.93 : 387,247.91 = 167,497.29 : x
  2. Step 2: Convert to fraction form
    280,608.93/387,247.91 = 167,497.29/x
  3. Step 3: Cross multiply
    280,608.93x = 387,247.91 × 167,497.29
  4. Step 4: Simplify right side
    280,608.93x = 64,862,974,645.68
  5. Step 5: Solve for x
    x = 64,862,974,645.68/280,608.93
  6. Step 6: Final answer
    x = 231,150.79

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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.