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Finding the Fourth Proportional to 245,860, 369,101.28 and 150,856.80

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Solution

The fourth proportional to 245,860, 369,101.28 and 150,856.80 is: 226,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,860 : 369,101.28 = 150,856.80 : x
  2. Step 2: Convert to fraction form
    245,860/369,101.28 = 150,856.80/x
  3. Step 3: Cross multiply
    245,860x = 369,101.28 × 150,856.80
  4. Step 4: Simplify right side
    245,860x = 55,681,437,976.70
  5. Step 5: Solve for x
    x = 55,681,437,976.70/245,860
  6. Step 6: Final answer
    x = 226,476.20

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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.