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Finding the Fourth Proportional to 284,249.70, 426,300.30 and 84,516.30

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Solution

The fourth proportional to 284,249.70, 426,300.30 and 84,516.30 is: 126,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,249.70 : 426,300.30 = 84,516.30 : x
  2. Step 2: Convert to fraction form
    284,249.70/426,300.30 = 84,516.30/x
  3. Step 3: Cross multiply
    284,249.70x = 426,300.30 × 84,516.30
  4. Step 4: Simplify right side
    284,249.70x = 36,029,324,044.89
  5. Step 5: Solve for x
    x = 36,029,324,044.89/284,249.70
  6. Step 6: Final answer
    x = 126,752.37

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1.5x scale

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.