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Finding the Fourth Proportional to 334,170.77, 500,997.83 and 109,390.91

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Solution

The fourth proportional to 334,170.77, 500,997.83 and 109,390.91 is: 164,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,170.77 : 500,997.83 = 109,390.91 : x
  2. Step 2: Convert to fraction form
    334,170.77/500,997.83 = 109,390.91/x
  3. Step 3: Cross multiply
    334,170.77x = 500,997.83 × 109,390.91
  4. Step 4: Simplify right side
    334,170.77x = 54,804,605,479.78
  5. Step 5: Solve for x
    x = 54,804,605,479.78/334,170.77
  6. Step 6: Final answer
    x = 164,001.80

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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.