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Finding the Fourth Proportional to 244,977.80, 367,685.40 and 211,735.40

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Solution

The fourth proportional to 244,977.80, 367,685.40 and 211,735.40 is: 317,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,977.80 : 367,685.40 = 211,735.40 : x
  2. Step 2: Convert to fraction form
    244,977.80/367,685.40 = 211,735.40/x
  3. Step 3: Cross multiply
    244,977.80x = 367,685.40 × 211,735.40
  4. Step 4: Simplify right side
    244,977.80x = 77,852,015,243.16
  5. Step 5: Solve for x
    x = 77,852,015,243.16/244,977.80
  6. Step 6: Final answer
    x = 317,792.12

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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.