Home / 285,023.70-393,271.47-171,844.02

Finding the Fourth Proportional to 285,023.70, 393,271.47 and 171,844.02

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Solution

The fourth proportional to 285,023.70, 393,271.47 and 171,844.02 is: 237,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,023.70 : 393,271.47 = 171,844.02 : x
  2. Step 2: Convert to fraction form
    285,023.70/393,271.47 = 171,844.02/x
  3. Step 3: Cross multiply
    285,023.70x = 393,271.47 × 171,844.02
  4. Step 4: Simplify right side
    285,023.70x = 67,581,350,356.11
  5. Step 5: Solve for x
    x = 67,581,350,356.11/285,023.70
  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.