Home / 325,327.90-487,281.14-135,211.86

Finding the Fourth Proportional to 325,327.90, 487,281.14 and 135,211.86

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Solution

The fourth proportional to 325,327.90, 487,281.14 and 135,211.86 is: 202,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,327.90 : 487,281.14 = 135,211.86 : x
  2. Step 2: Convert to fraction form
    325,327.90/487,281.14 = 135,211.86/x
  3. Step 3: Cross multiply
    325,327.90x = 487,281.14 × 135,211.86
  4. Step 4: Simplify right side
    325,327.90x = 65,886,189,282.32
  5. Step 5: Solve for x
    x = 65,886,189,282.32/325,327.90
  6. Step 6: Final answer
    x = 202,522.41

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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.