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Finding the Fourth Proportional to 301,250.53, 451,864.86 and 90,883

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Solution

The fourth proportional to 301,250.53, 451,864.86 and 90,883 is: 136,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,250.53 : 451,864.86 = 90,883 : x
  2. Step 2: Convert to fraction form
    301,250.53/451,864.86 = 90,883/x
  3. Step 3: Cross multiply
    301,250.53x = 451,864.86 × 90,883
  4. Step 4: Simplify right side
    301,250.53x = 41,066,834,071.38
  5. Step 5: Solve for x
    x = 41,066,834,071.38/301,250.53
  6. Step 6: Final answer
    x = 136,321.20

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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.