Home / 281,823.20-388,919.20-160,980.52

Finding the Fourth Proportional to 281,823.20, 388,919.20 and 160,980.52

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Solution

The fourth proportional to 281,823.20, 388,919.20 and 160,980.52 is: 222,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,823.20 : 388,919.20 = 160,980.52 : x
  2. Step 2: Convert to fraction form
    281,823.20/388,919.20 = 160,980.52/x
  3. Step 3: Cross multiply
    281,823.20x = 388,919.20 × 160,980.52
  4. Step 4: Simplify right side
    281,823.20x = 62,608,415,053.98
  5. Step 5: Solve for x
    x = 62,608,415,053.98/281,823.20
  6. Step 6: Final answer
    x = 222,154.94

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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.