Home / 281,759.10-388,867.41-174,363.75

Finding the Fourth Proportional to 281,759.10, 388,867.41 and 174,363.75

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Solution

The fourth proportional to 281,759.10, 388,867.41 and 174,363.75 is: 240,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,759.10 : 388,867.41 = 174,363.75 : x
  2. Step 2: Convert to fraction form
    281,759.10/388,867.41 = 174,363.75/x
  3. Step 3: Cross multiply
    281,759.10x = 388,867.41 × 174,363.75
  4. Step 4: Simplify right side
    281,759.10x = 67,804,379,860.39
  5. Step 5: Solve for x
    x = 67,804,379,860.39/281,759.10
  6. Step 6: Final answer
    x = 240,646.64

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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.