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Finding the Fourth Proportional to 268,954.71, 403,495.25 and 150,707.67

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Solution

The fourth proportional to 268,954.71, 403,495.25 and 150,707.67 is: 226,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,954.71 : 403,495.25 = 150,707.67 : x
  2. Step 2: Convert to fraction form
    268,954.71/403,495.25 = 150,707.67/x
  3. Step 3: Cross multiply
    268,954.71x = 403,495.25 × 150,707.67
  4. Step 4: Simplify right side
    268,954.71x = 60,809,828,230.03
  5. Step 5: Solve for x
    x = 60,809,828,230.03/268,954.71
  6. Step 6: Final answer
    x = 226,096.91

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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.