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Finding the Fourth Proportional to 431,293.47, 595,187.43 and 250,112.98

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Solution

The fourth proportional to 431,293.47, 595,187.43 and 250,112.98 is: 345,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,293.47 : 595,187.43 = 250,112.98 : x
  2. Step 2: Convert to fraction form
    431,293.47/595,187.43 = 250,112.98/x
  3. Step 3: Cross multiply
    431,293.47x = 595,187.43 × 250,112.98
  4. Step 4: Simplify right side
    431,293.47x = 148,864,100,756.84
  5. Step 5: Solve for x
    x = 148,864,100,756.84/431,293.47
  6. Step 6: Final answer
    x = 345,157.32

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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.