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Finding the Fourth Proportional to 303,491.24, 454,882.40 and 228,369.92

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Solution

The fourth proportional to 303,491.24, 454,882.40 and 228,369.92 is: 342,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,491.24 : 454,882.40 = 228,369.92 : x
  2. Step 2: Convert to fraction form
    303,491.24/454,882.40 = 228,369.92/x
  3. Step 3: Cross multiply
    303,491.24x = 454,882.40 × 228,369.92
  4. Step 4: Simplify right side
    303,491.24x = 103,881,457,297.41
  5. Step 5: Solve for x
    x = 103,881,457,297.41/303,491.24
  6. Step 6: Final answer
    x = 342,288.16

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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.