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Finding the Fourth Proportional to 444,043.50, 612,794.61 and 242,839.50

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Solution

The fourth proportional to 444,043.50, 612,794.61 and 242,839.50 is: 335,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,043.50 : 612,794.61 = 242,839.50 : x
  2. Step 2: Convert to fraction form
    444,043.50/612,794.61 = 242,839.50/x
  3. Step 3: Cross multiply
    444,043.50x = 612,794.61 × 242,839.50
  4. Step 4: Simplify right side
    444,043.50x = 148,810,736,695.10
  5. Step 5: Solve for x
    x = 148,810,736,695.10/444,043.50
  6. Step 6: Final answer
    x = 335,126.48

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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.