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Finding the Fourth Proportional to 189,288.23, 283,870.88 and 62,894.53

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Solution

The fourth proportional to 189,288.23, 283,870.88 and 62,894.53 is: 94,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,288.23 : 283,870.88 = 62,894.53 : x
  2. Step 2: Convert to fraction form
    189,288.23/283,870.88 = 62,894.53/x
  3. Step 3: Cross multiply
    189,288.23x = 283,870.88 × 62,894.53
  4. Step 4: Simplify right side
    189,288.23x = 17,853,924,257.73
  5. Step 5: Solve for x
    x = 17,853,924,257.73/189,288.23
  6. Step 6: Final answer
    x = 94,321.37

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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.