Home / 260,219.12-358,904.21-223,982.19

Finding the Fourth Proportional to 260,219.12, 358,904.21 and 223,982.19

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Solution

The fourth proportional to 260,219.12, 358,904.21 and 223,982.19 is: 308,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,219.12 : 358,904.21 = 223,982.19 : x
  2. Step 2: Convert to fraction form
    260,219.12/358,904.21 = 223,982.19/x
  3. Step 3: Cross multiply
    260,219.12x = 358,904.21 × 223,982.19
  4. Step 4: Simplify right side
    260,219.12x = 80,388,149,836.11
  5. Step 5: Solve for x
    x = 80,388,149,836.11/260,219.12
  6. Step 6: Final answer
    x = 308,924.85

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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.