Home / 268,708.14-403,222.82-100,346.72

Finding the Fourth Proportional to 268,708.14, 403,222.82 and 100,346.72

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Solution

The fourth proportional to 268,708.14, 403,222.82 and 100,346.72 is: 150,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,708.14 : 403,222.82 = 100,346.72 : x
  2. Step 2: Convert to fraction form
    268,708.14/403,222.82 = 100,346.72/x
  3. Step 3: Cross multiply
    268,708.14x = 403,222.82 × 100,346.72
  4. Step 4: Simplify right side
    268,708.14x = 40,462,084,898.30
  5. Step 5: Solve for x
    x = 40,462,084,898.30/268,708.14
  6. Step 6: Final answer
    x = 150,580.05

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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.