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Finding the Fourth Proportional to 284,309.46, 426,464.19 and 84,632.72

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Solution

The fourth proportional to 284,309.46, 426,464.19 and 84,632.72 is: 126,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,309.46 : 426,464.19 = 84,632.72 : x
  2. Step 2: Convert to fraction form
    284,309.46/426,464.19 = 84,632.72/x
  3. Step 3: Cross multiply
    284,309.46x = 426,464.19 × 84,632.72
  4. Step 4: Simplify right side
    284,309.46x = 36,092,822,249.98
  5. Step 5: Solve for x
    x = 36,092,822,249.98/284,309.46
  6. Step 6: Final answer
    x = 126,949.07

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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.