Home / 226,983.72-312,901.48-145,299.95

Finding the Fourth Proportional to 226,983.72, 312,901.48 and 145,299.95

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Solution

The fourth proportional to 226,983.72, 312,901.48 and 145,299.95 is: 200,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,983.72 : 312,901.48 = 145,299.95 : x
  2. Step 2: Convert to fraction form
    226,983.72/312,901.48 = 145,299.95/x
  3. Step 3: Cross multiply
    226,983.72x = 312,901.48 × 145,299.95
  4. Step 4: Simplify right side
    226,983.72x = 45,464,569,398.93
  5. Step 5: Solve for x
    x = 45,464,569,398.93/226,983.72
  6. Step 6: Final answer
    x = 200,298.81

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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.