Home / 284,262.26-392,271.61-155,198.35

Finding the Fourth Proportional to 284,262.26, 392,271.61 and 155,198.35

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Solution

The fourth proportional to 284,262.26, 392,271.61 and 155,198.35 is: 214,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,262.26 : 392,271.61 = 155,198.35 : x
  2. Step 2: Convert to fraction form
    284,262.26/392,271.61 = 155,198.35/x
  3. Step 3: Cross multiply
    284,262.26x = 392,271.61 × 155,198.35
  4. Step 4: Simplify right side
    284,262.26x = 60,879,906,623.84
  5. Step 5: Solve for x
    x = 60,879,906,623.84/284,262.26
  6. Step 6: Final answer
    x = 214,168.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.