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Finding the Fourth Proportional to 255,334.56, 352,339.92 and 142,167.84

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Solution

The fourth proportional to 255,334.56, 352,339.92 and 142,167.84 is: 196,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,334.56 : 352,339.92 = 142,167.84 : x
  2. Step 2: Convert to fraction form
    255,334.56/352,339.92 = 142,167.84/x
  3. Step 3: Cross multiply
    255,334.56x = 352,339.92 × 142,167.84
  4. Step 4: Simplify right side
    255,334.56x = 50,091,405,372.17
  5. Step 5: Solve for x
    x = 50,091,405,372.17/255,334.56
  6. Step 6: Final answer
    x = 196,179.50

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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.