Home / 285,023.72-393,271.46-171,844.04

Finding the Fourth Proportional to 285,023.72, 393,271.46 and 171,844.04

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Solution

The fourth proportional to 285,023.72, 393,271.46 and 171,844.04 is: 237,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,023.72 : 393,271.46 = 171,844.04 : x
  2. Step 2: Convert to fraction form
    285,023.72/393,271.46 = 171,844.04/x
  3. Step 3: Cross multiply
    285,023.72x = 393,271.46 × 171,844.04
  4. Step 4: Simplify right side
    285,023.72x = 67,581,356,503.10
  5. Step 5: Solve for x
    x = 67,581,356,503.10/285,023.72
  6. Step 6: Final answer
    x = 237,107.83

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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.