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Finding the Fourth Proportional to 255,504.64, 352,607.30 and 142,327.44

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Solution

The fourth proportional to 255,504.64, 352,607.30 and 142,327.44 is: 196,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,504.64 : 352,607.30 = 142,327.44 : x
  2. Step 2: Convert to fraction form
    255,504.64/352,607.30 = 142,327.44/x
  3. Step 3: Cross multiply
    255,504.64x = 352,607.30 × 142,327.44
  4. Step 4: Simplify right side
    255,504.64x = 50,185,694,334.31
  5. Step 5: Solve for x
    x = 50,185,694,334.31/255,504.64
  6. Step 6: Final answer
    x = 196,417.94

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1.5x scale

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.