Home / 281,479.10-388,344.69-160,533.41

Finding the Fourth Proportional to 281,479.10, 388,344.69 and 160,533.41

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Solution

The fourth proportional to 281,479.10, 388,344.69 and 160,533.41 is: 221,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,479.10 : 388,344.69 = 160,533.41 : x
  2. Step 2: Convert to fraction form
    281,479.10/388,344.69 = 160,533.41/x
  3. Step 3: Cross multiply
    281,479.10x = 388,344.69 × 160,533.41
  4. Step 4: Simplify right side
    281,479.10x = 62,342,295,399.37
  5. Step 5: Solve for x
    x = 62,342,295,399.37/281,479.10
  6. Step 6: Final answer
    x = 221,481.09

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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.