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Finding the Fourth Proportional to 431,311.67, 595,212.47 and 250,131.02

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Solution

The fourth proportional to 431,311.67, 595,212.47 and 250,131.02 is: 345,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,311.67 : 595,212.47 = 250,131.02 : x
  2. Step 2: Convert to fraction form
    431,311.67/595,212.47 = 250,131.02/x
  3. Step 3: Cross multiply
    431,311.67x = 595,212.47 × 250,131.02
  4. Step 4: Simplify right side
    431,311.67x = 148,881,102,237.82
  5. Step 5: Solve for x
    x = 148,881,102,237.82/431,311.67
  6. Step 6: Final answer
    x = 345,182.18

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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.