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Finding the Fourth Proportional to 361,609.68, 542,504.85 and 255,201.39

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Solution

The fourth proportional to 361,609.68, 542,504.85 and 255,201.39 is: 382,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,609.68 : 542,504.85 = 255,201.39 : x
  2. Step 2: Convert to fraction form
    361,609.68/542,504.85 = 255,201.39/x
  3. Step 3: Cross multiply
    361,609.68x = 542,504.85 × 255,201.39
  4. Step 4: Simplify right side
    361,609.68x = 138,447,991,801.74
  5. Step 5: Solve for x
    x = 138,447,991,801.74/361,609.68
  6. Step 6: Final answer
    x = 382,865.83

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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.