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Finding the Fourth Proportional to 301,139.96, 451,688.81 and 141,250.96

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Solution

The fourth proportional to 301,139.96, 451,688.81 and 141,250.96 is: 211,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,139.96 : 451,688.81 = 141,250.96 : x
  2. Step 2: Convert to fraction form
    301,139.96/451,688.81 = 141,250.96/x
  3. Step 3: Cross multiply
    301,139.96x = 451,688.81 × 141,250.96
  4. Step 4: Simplify right side
    301,139.96x = 63,801,479,162.49
  5. Step 5: Solve for x
    x = 63,801,479,162.49/301,139.96
  6. Step 6: Final answer
    x = 211,866.53

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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.