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Finding the Fourth Proportional to 189,316.32, 283,867.92 and 62,888.88

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Solution

The fourth proportional to 189,316.32, 283,867.92 and 62,888.88 is: 94,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,316.32 : 283,867.92 = 62,888.88 : x
  2. Step 2: Convert to fraction form
    189,316.32/283,867.92 = 62,888.88/x
  3. Step 3: Cross multiply
    189,316.32x = 283,867.92 × 62,888.88
  4. Step 4: Simplify right side
    189,316.32x = 17,852,135,556.73
  5. Step 5: Solve for x
    x = 17,852,135,556.73/189,316.32
  6. Step 6: Final answer
    x = 94,297.92

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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.