Home / 284,864.80-427,297.20-178,576.60

Finding the Fourth Proportional to 284,864.80, 427,297.20 and 178,576.60

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Solution

The fourth proportional to 284,864.80, 427,297.20 and 178,576.60 is: 267,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,864.80 : 427,297.20 = 178,576.60 : x
  2. Step 2: Convert to fraction form
    284,864.80/427,297.20 = 178,576.60/x
  3. Step 3: Cross multiply
    284,864.80x = 427,297.20 × 178,576.60
  4. Step 4: Simplify right side
    284,864.80x = 76,305,281,165.52
  5. Step 5: Solve for x
    x = 76,305,281,165.52/284,864.80
  6. Step 6: Final answer
    x = 267,864.90

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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.