Home / 230,228.73-317,631.38-139,519.26

Finding the Fourth Proportional to 230,228.73, 317,631.38 and 139,519.26

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Solution

The fourth proportional to 230,228.73, 317,631.38 and 139,519.26 is: 192,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,228.73 : 317,631.38 = 139,519.26 : x
  2. Step 2: Convert to fraction form
    230,228.73/317,631.38 = 139,519.26/x
  3. Step 3: Cross multiply
    230,228.73x = 317,631.38 × 139,519.26
  4. Step 4: Simplify right side
    230,228.73x = 44,315,694,392.78
  5. Step 5: Solve for x
    x = 44,315,694,392.78/230,228.73
  6. Step 6: Final answer
    x = 192,485.51

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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.