Home / 378,739.26-568,011.06-112,439.52

Finding the Fourth Proportional to 378,739.26, 568,011.06 and 112,439.52

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Solution

The fourth proportional to 378,739.26, 568,011.06 and 112,439.52 is: 168,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,739.26 : 568,011.06 = 112,439.52 : x
  2. Step 2: Convert to fraction form
    378,739.26/568,011.06 = 112,439.52/x
  3. Step 3: Cross multiply
    378,739.26x = 568,011.06 × 112,439.52
  4. Step 4: Simplify right side
    378,739.26x = 63,866,890,941.09
  5. Step 5: Solve for x
    x = 63,866,890,941.09/378,739.26
  6. Step 6: Final answer
    x = 168,630.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.