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Finding the Fourth Proportional to 166,474, 249,711 and 49,738

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Solution

The fourth proportional to 166,474, 249,711 and 49,738 is: 74,607

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,474 : 249,711 = 49,738 : x
  2. Step 2: Convert to fraction form
    166,474/249,711 = 49,738/x
  3. Step 3: Cross multiply
    166,474x = 249,711 × 49,738
  4. Step 4: Simplify right side
    166,474x = 12,420,125,718
  5. Step 5: Solve for x
    x = 12,420,125,718/166,474
  6. Step 6: Final answer
    x = 74,607

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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.