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Finding the Fourth Proportional to 250,303.81, 375,452.31 and 60,765.64

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Solution

The fourth proportional to 250,303.81, 375,452.31 and 60,765.64 is: 91,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,303.81 : 375,452.31 = 60,765.64 : x
  2. Step 2: Convert to fraction form
    250,303.81/375,452.31 = 60,765.64/x
  3. Step 3: Cross multiply
    250,303.81x = 375,452.31 × 60,765.64
  4. Step 4: Simplify right side
    250,303.81x = 22,814,599,906.63
  5. Step 5: Solve for x
    x = 22,814,599,906.63/250,303.81
  6. Step 6: Final answer
    x = 91,147.63

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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.