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Finding the Fourth Proportional to 881,289, 1,321,930.26 and 250,202.88

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Solution

The fourth proportional to 881,289, 1,321,930.26 and 250,202.88 is: 375,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,289 : 1,321,930.26 = 250,202.88 : x
  2. Step 2: Convert to fraction form
    881,289/1,321,930.26 = 250,202.88/x
  3. Step 3: Cross multiply
    881,289x = 1,321,930.26 × 250,202.88
  4. Step 4: Simplify right side
    881,289x = 330,750,758,211.15
  5. Step 5: Solve for x
    x = 330,750,758,211.15/881,289
  6. Step 6: Final answer
    x = 375,303.40

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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.