Home / 284,371.92-426,399.12-178,965

Finding the Fourth Proportional to 284,371.92, 426,399.12 and 178,965

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Solution

The fourth proportional to 284,371.92, 426,399.12 and 178,965 is: 268,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,371.92 : 426,399.12 = 178,965 : x
  2. Step 2: Convert to fraction form
    284,371.92/426,399.12 = 178,965/x
  3. Step 3: Cross multiply
    284,371.92x = 426,399.12 × 178,965
  4. Step 4: Simplify right side
    284,371.92x = 76,310,518,510.80
  5. Step 5: Solve for x
    x = 76,310,518,510.80/284,371.92
  6. Step 6: Final answer
    x = 268,347.59

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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.