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Finding the Fourth Proportional to 227,118.92, 340,726.98 and 69,359

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Solution

The fourth proportional to 227,118.92, 340,726.98 and 69,359 is: 104,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,118.92 : 340,726.98 = 69,359 : x
  2. Step 2: Convert to fraction form
    227,118.92/340,726.98 = 69,359/x
  3. Step 3: Cross multiply
    227,118.92x = 340,726.98 × 69,359
  4. Step 4: Simplify right side
    227,118.92x = 23,632,482,605.82
  5. Step 5: Solve for x
    x = 23,632,482,605.82/227,118.92
  6. Step 6: Final answer
    x = 104,053.34

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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.