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Finding the Fourth Proportional to 349,797.91, 524,788.50 and 109,902.12

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Solution

The fourth proportional to 349,797.91, 524,788.50 and 109,902.12 is: 164,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,797.91 : 524,788.50 = 109,902.12 : x
  2. Step 2: Convert to fraction form
    349,797.91/524,788.50 = 109,902.12/x
  3. Step 3: Cross multiply
    349,797.91x = 524,788.50 × 109,902.12
  4. Step 4: Simplify right side
    349,797.91x = 57,675,368,976.38
  5. Step 5: Solve for x
    x = 57,675,368,976.38/349,797.91
  6. Step 6: Final answer
    x = 164,881.97

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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.