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Finding the Fourth Proportional to 256,323.60, 384,525.36 and 123,179.04

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Solution

The fourth proportional to 256,323.60, 384,525.36 and 123,179.04 is: 184,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,323.60 : 384,525.36 = 123,179.04 : x
  2. Step 2: Convert to fraction form
    256,323.60/384,525.36 = 123,179.04/x
  3. Step 3: Cross multiply
    256,323.60x = 384,525.36 × 123,179.04
  4. Step 4: Simplify right side
    256,323.60x = 47,365,464,700.45
  5. Step 5: Solve for x
    x = 47,365,464,700.45/256,323.60
  6. Step 6: Final answer
    x = 184,787.76

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1.5x scale

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.