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Finding the Fourth Proportional to 154,558, 231,837 and 43,750

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Solution

The fourth proportional to 154,558, 231,837 and 43,750 is: 65,625

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,558 : 231,837 = 43,750 : x
  2. Step 2: Convert to fraction form
    154,558/231,837 = 43,750/x
  3. Step 3: Cross multiply
    154,558x = 231,837 × 43,750
  4. Step 4: Simplify right side
    154,558x = 10,142,868,750
  5. Step 5: Solve for x
    x = 10,142,868,750/154,558
  6. Step 6: Final answer
    x = 65,625

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.