Home / 361,171.12-498,378.24-200,021.92

Finding the Fourth Proportional to 361,171.12, 498,378.24 and 200,021.92

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Solution

The fourth proportional to 361,171.12, 498,378.24 and 200,021.92 is: 276,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,171.12 : 498,378.24 = 200,021.92 : x
  2. Step 2: Convert to fraction form
    361,171.12/498,378.24 = 200,021.92/x
  3. Step 3: Cross multiply
    361,171.12x = 498,378.24 × 200,021.92
  4. Step 4: Simplify right side
    361,171.12x = 99,686,572,451.02
  5. Step 5: Solve for x
    x = 99,686,572,451.02/361,171.12
  6. Step 6: Final answer
    x = 276,009.26

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1.5x scale

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.