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Finding the Fourth Proportional to 244,066.80, 366,318.90 and 210,824.40

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Solution

The fourth proportional to 244,066.80, 366,318.90 and 210,824.40 is: 316,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,066.80 : 366,318.90 = 210,824.40 : x
  2. Step 2: Convert to fraction form
    244,066.80/366,318.90 = 210,824.40/x
  3. Step 3: Cross multiply
    244,066.80x = 366,318.90 × 210,824.40
  4. Step 4: Simplify right side
    244,066.80x = 77,228,962,301.16
  5. Step 5: Solve for x
    x = 77,228,962,301.16/244,066.80
  6. Step 6: Final answer
    x = 316,425.51

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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.