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Finding the Fourth Proportional to 219,744.78, 303,246.12 and 124,254.90

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Solution

The fourth proportional to 219,744.78, 303,246.12 and 124,254.90 is: 171,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,744.78 : 303,246.12 = 124,254.90 : x
  2. Step 2: Convert to fraction form
    219,744.78/303,246.12 = 124,254.90/x
  3. Step 3: Cross multiply
    219,744.78x = 303,246.12 × 124,254.90
  4. Step 4: Simplify right side
    219,744.78x = 37,679,816,315.99
  5. Step 5: Solve for x
    x = 37,679,816,315.99/219,744.78
  6. Step 6: Final answer
    x = 171,470.81

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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.