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Finding the Fourth Proportional to 201,794.78, 301,944.76 and 126,313.49

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Solution

The fourth proportional to 201,794.78, 301,944.76 and 126,313.49 is: 189,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794.78 : 301,944.76 = 126,313.49 : x
  2. Step 2: Convert to fraction form
    201,794.78/301,944.76 = 126,313.49/x
  3. Step 3: Cross multiply
    201,794.78x = 301,944.76 × 126,313.49
  4. Step 4: Simplify right side
    201,794.78x = 38,139,696,422.81
  5. Step 5: Solve for x
    x = 38,139,696,422.81/201,794.78
  6. Step 6: Final answer
    x = 189,002.39

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1.5x scale

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.