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Finding the Fourth Proportional to 234,431.82, 351,713.34 and 94,288.86

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Solution

The fourth proportional to 234,431.82, 351,713.34 and 94,288.86 is: 141,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,431.82 : 351,713.34 = 94,288.86 : x
  2. Step 2: Convert to fraction form
    234,431.82/351,713.34 = 94,288.86/x
  3. Step 3: Cross multiply
    234,431.82x = 351,713.34 × 94,288.86
  4. Step 4: Simplify right side
    234,431.82x = 33,162,649,875.39
  5. Step 5: Solve for x
    x = 33,162,649,875.39/234,431.82
  6. Step 6: Final answer
    x = 141,459.68

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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.