Home / 361,235.12-498,499.20-200,089.64

Finding the Fourth Proportional to 361,235.12, 498,499.20 and 200,089.64

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Solution

The fourth proportional to 361,235.12, 498,499.20 and 200,089.64 is: 276,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,235.12 : 498,499.20 = 200,089.64 : x
  2. Step 2: Convert to fraction form
    361,235.12/498,499.20 = 200,089.64/x
  3. Step 3: Cross multiply
    361,235.12x = 498,499.20 × 200,089.64
  4. Step 4: Simplify right side
    361,235.12x = 99,744,525,468.29
  5. Step 5: Solve for x
    x = 99,744,525,468.29/361,235.12
  6. Step 6: Final answer
    x = 276,120.79

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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.