Home / 256,329.60-384,534.36-123,185.04

Finding the Fourth Proportional to 256,329.60, 384,534.36 and 123,185.04

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Solution

The fourth proportional to 256,329.60, 384,534.36 and 123,185.04 is: 184,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,329.60 : 384,534.36 = 123,185.04 : x
  2. Step 2: Convert to fraction form
    256,329.60/384,534.36 = 123,185.04/x
  3. Step 3: Cross multiply
    256,329.60x = 384,534.36 × 123,185.04
  4. Step 4: Simplify right side
    256,329.60x = 47,368,880,517.97
  5. Step 5: Solve for x
    x = 47,368,880,517.97/256,329.60
  6. Step 6: Final answer
    x = 184,796.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.