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Finding the Fourth Proportional to 367,609.96, 551,449.02 and 142,987.51

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Solution

The fourth proportional to 367,609.96, 551,449.02 and 142,987.51 is: 214,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,609.96 : 551,449.02 = 142,987.51 : x
  2. Step 2: Convert to fraction form
    367,609.96/551,449.02 = 142,987.51/x
  3. Step 3: Cross multiply
    367,609.96x = 551,449.02 × 142,987.51
  4. Step 4: Simplify right side
    367,609.96x = 78,850,322,261.74
  5. Step 5: Solve for x
    x = 78,850,322,261.74/367,609.96
  6. Step 6: Final answer
    x = 214,494.52

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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.