Home / 406,150.20-609,290.91-125,667.45

Finding the Fourth Proportional to 406,150.20, 609,290.91 and 125,667.45

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Solution

The fourth proportional to 406,150.20, 609,290.91 and 125,667.45 is: 188,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,150.20 : 609,290.91 = 125,667.45 : x
  2. Step 2: Convert to fraction form
    406,150.20/609,290.91 = 125,667.45/x
  3. Step 3: Cross multiply
    406,150.20x = 609,290.91 × 125,667.45
  4. Step 4: Simplify right side
    406,150.20x = 76,568,034,967.88
  5. Step 5: Solve for x
    x = 76,568,034,967.88/406,150.20
  6. Step 6: Final answer
    x = 188,521.48

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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.