Home / 281,195.32-388,072.50-160,374.56

Finding the Fourth Proportional to 281,195.32, 388,072.50 and 160,374.56

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Solution

The fourth proportional to 281,195.32, 388,072.50 and 160,374.56 is: 221,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,195.32 : 388,072.50 = 160,374.56 : x
  2. Step 2: Convert to fraction form
    281,195.32/388,072.50 = 160,374.56/x
  3. Step 3: Cross multiply
    281,195.32x = 388,072.50 × 160,374.56
  4. Step 4: Simplify right side
    281,195.32x = 62,236,956,435.60
  5. Step 5: Solve for x
    x = 62,236,956,435.60/281,195.32
  6. Step 6: Final answer
    x = 221,329.99

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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.