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Finding the Fourth Proportional to 550,187.83, 825,400.51 and 171,101.15

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Solution

The fourth proportional to 550,187.83, 825,400.51 and 171,101.15 is: 256,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,187.83 : 825,400.51 = 171,101.15 : x
  2. Step 2: Convert to fraction form
    550,187.83/825,400.51 = 171,101.15/x
  3. Step 3: Cross multiply
    550,187.83x = 825,400.51 × 171,101.15
  4. Step 4: Simplify right side
    550,187.83x = 141,226,976,471.59
  5. Step 5: Solve for x
    x = 141,226,976,471.59/550,187.83
  6. Step 6: Final answer
    x = 256,688.66

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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.