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Finding the Fourth Proportional to 442,884.85, 610,970.61 and 261,475.25

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Solution

The fourth proportional to 442,884.85, 610,970.61 and 261,475.25 is: 360,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,884.85 : 610,970.61 = 261,475.25 : x
  2. Step 2: Convert to fraction form
    442,884.85/610,970.61 = 261,475.25/x
  3. Step 3: Cross multiply
    442,884.85x = 610,970.61 × 261,475.25
  4. Step 4: Simplify right side
    442,884.85x = 159,753,692,992.40
  5. Step 5: Solve for x
    x = 159,753,692,992.40/442,884.85
  6. Step 6: Final answer
    x = 360,711.58

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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.