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Finding the Fourth Proportional to 226,483.28, 339,765.78 and 93,290.84

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Solution

The fourth proportional to 226,483.28, 339,765.78 and 93,290.84 is: 139,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,483.28 : 339,765.78 = 93,290.84 : x
  2. Step 2: Convert to fraction form
    226,483.28/339,765.78 = 93,290.84/x
  3. Step 3: Cross multiply
    226,483.28x = 339,765.78 × 93,290.84
  4. Step 4: Simplify right side
    226,483.28x = 31,697,035,019.46
  5. Step 5: Solve for x
    x = 31,697,035,019.46/226,483.28
  6. Step 6: Final answer
    x = 139,953.09

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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.