Home / 457,306.56-631,171.34-263,839.21

Finding the Fourth Proportional to 457,306.56, 631,171.34 and 263,839.21

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Solution

The fourth proportional to 457,306.56, 631,171.34 and 263,839.21 is: 364,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,306.56 : 631,171.34 = 263,839.21 : x
  2. Step 2: Convert to fraction form
    457,306.56/631,171.34 = 263,839.21/x
  3. Step 3: Cross multiply
    457,306.56x = 631,171.34 × 263,839.21
  4. Step 4: Simplify right side
    457,306.56x = 166,527,745,812.51
  5. Step 5: Solve for x
    x = 166,527,745,812.51/457,306.56
  6. Step 6: Final answer
    x = 364,149.04

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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.