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Finding the Fourth Proportional to 538,867.83, 808,469.52 and 159,790.57

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Solution

The fourth proportional to 538,867.83, 808,469.52 and 159,790.57 is: 239,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,867.83 : 808,469.52 = 159,790.57 : x
  2. Step 2: Convert to fraction form
    538,867.83/808,469.52 = 159,790.57/x
  3. Step 3: Cross multiply
    538,867.83x = 808,469.52 × 159,790.57
  4. Step 4: Simplify right side
    538,867.83x = 129,185,803,407.25
  5. Step 5: Solve for x
    x = 129,185,803,407.25/538,867.83
  6. Step 6: Final answer
    x = 239,735.60

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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.