Home / 284,148.07-426,292.27-84,467.61

Finding the Fourth Proportional to 284,148.07, 426,292.27 and 84,467.61

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Solution

The fourth proportional to 284,148.07, 426,292.27 and 84,467.61 is: 126,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,148.07 : 426,292.27 = 84,467.61 : x
  2. Step 2: Convert to fraction form
    284,148.07/426,292.27 = 84,467.61/x
  3. Step 3: Cross multiply
    284,148.07x = 426,292.27 × 84,467.61
  4. Step 4: Simplify right side
    284,148.07x = 36,007,888,997.21
  5. Step 5: Solve for x
    x = 36,007,888,997.21/284,148.07
  6. Step 6: Final answer
    x = 126,722.27

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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.