Home / 281,371.05-388,276.74-154,022.04

Finding the Fourth Proportional to 281,371.05, 388,276.74 and 154,022.04

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Solution

The fourth proportional to 281,371.05, 388,276.74 and 154,022.04 is: 212,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,371.05 : 388,276.74 = 154,022.04 : x
  2. Step 2: Convert to fraction form
    281,371.05/388,276.74 = 154,022.04/x
  3. Step 3: Cross multiply
    281,371.05x = 388,276.74 × 154,022.04
  4. Step 4: Simplify right side
    281,371.05x = 59,803,175,579.35
  5. Step 5: Solve for x
    x = 59,803,175,579.35/281,371.05
  6. Step 6: Final answer
    x = 212,542.04

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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.