Home / 631,072.61-946,046.21-231,620.70

Finding the Fourth Proportional to 631,072.61, 946,046.21 and 231,620.70

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Solution

The fourth proportional to 631,072.61, 946,046.21 and 231,620.70 is: 347,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,072.61 : 946,046.21 = 231,620.70 : x
  2. Step 2: Convert to fraction form
    631,072.61/946,046.21 = 231,620.70/x
  3. Step 3: Cross multiply
    631,072.61x = 946,046.21 × 231,620.70
  4. Step 4: Simplify right side
    631,072.61x = 219,123,885,392.55
  5. Step 5: Solve for x
    x = 219,123,885,392.55/631,072.61
  6. Step 6: Final answer
    x = 347,224.52

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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.