Home / 293,801.84-440,395.20-123,121.28

Finding the Fourth Proportional to 293,801.84, 440,395.20 and 123,121.28

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Solution

The fourth proportional to 293,801.84, 440,395.20 and 123,121.28 is: 184,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,801.84 : 440,395.20 = 123,121.28 : x
  2. Step 2: Convert to fraction form
    293,801.84/440,395.20 = 123,121.28/x
  3. Step 3: Cross multiply
    293,801.84x = 440,395.20 × 123,121.28
  4. Step 4: Simplify right side
    293,801.84x = 54,222,020,729.86
  5. Step 5: Solve for x
    x = 54,222,020,729.86/293,801.84
  6. Step 6: Final answer
    x = 184,553.03

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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.