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Finding the Fourth Proportional to 301,349.54, 451,860.27 and 90,960.14

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Solution

The fourth proportional to 301,349.54, 451,860.27 and 90,960.14 is: 136,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,349.54 : 451,860.27 = 90,960.14 : x
  2. Step 2: Convert to fraction form
    301,349.54/451,860.27 = 90,960.14/x
  3. Step 3: Cross multiply
    301,349.54x = 451,860.27 × 90,960.14
  4. Step 4: Simplify right side
    301,349.54x = 41,101,273,419.64
  5. Step 5: Solve for x
    x = 41,101,273,419.64/301,349.54
  6. Step 6: Final answer
    x = 136,390.70

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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.