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Finding the Fourth Proportional to 255,383.20, 352,374.87 and 147,946.87

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Solution

The fourth proportional to 255,383.20, 352,374.87 and 147,946.87 is: 204,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,383.20 : 352,374.87 = 147,946.87 : x
  2. Step 2: Convert to fraction form
    255,383.20/352,374.87 = 147,946.87/x
  3. Step 3: Cross multiply
    255,383.20x = 352,374.87 × 147,946.87
  4. Step 4: Simplify right side
    255,383.20x = 52,132,759,083.16
  5. Step 5: Solve for x
    x = 52,132,759,083.16/255,383.20
  6. Step 6: Final answer
    x = 204,135.43

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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.