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Finding the Fourth Proportional to 344,842.13, 475,882.14 and 191,890.17

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Solution

The fourth proportional to 344,842.13, 475,882.14 and 191,890.17 is: 264,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,842.13 : 475,882.14 = 191,890.17 : x
  2. Step 2: Convert to fraction form
    344,842.13/475,882.14 = 191,890.17/x
  3. Step 3: Cross multiply
    344,842.13x = 475,882.14 × 191,890.17
  4. Step 4: Simplify right side
    344,842.13x = 91,317,103,785.11
  5. Step 5: Solve for x
    x = 91,317,103,785.11/344,842.13
  6. Step 6: Final answer
    x = 264,808.44

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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.