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Finding the Fourth Proportional to 333,777.32, 500,696.77 and 109,138.91

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Solution

The fourth proportional to 333,777.32, 500,696.77 and 109,138.91 is: 163,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,777.32 : 500,696.77 = 109,138.91 : x
  2. Step 2: Convert to fraction form
    333,777.32/500,696.77 = 109,138.91/x
  3. Step 3: Cross multiply
    333,777.32x = 500,696.77 × 109,138.91
  4. Step 4: Simplify right side
    333,777.32x = 54,645,500,697.22
  5. Step 5: Solve for x
    x = 54,645,500,697.22/333,777.32
  6. Step 6: Final answer
    x = 163,718.43

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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.