Home / 245,388.80-340,002.91-240,074.39

Finding the Fourth Proportional to 245,388.80, 340,002.91 and 240,074.39

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Solution

The fourth proportional to 245,388.80, 340,002.91 and 240,074.39 is: 332,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,388.80 : 340,002.91 = 240,074.39 : x
  2. Step 2: Convert to fraction form
    245,388.80/340,002.91 = 240,074.39/x
  3. Step 3: Cross multiply
    245,388.80x = 340,002.91 × 240,074.39
  4. Step 4: Simplify right side
    245,388.80x = 81,625,992,366.58
  5. Step 5: Solve for x
    x = 81,625,992,366.58/245,388.80
  6. Step 6: Final answer
    x = 332,639.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.