Home / 386,729.26-580,109.60-184,221.25

Finding the Fourth Proportional to 386,729.26, 580,109.60 and 184,221.25

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Solution

The fourth proportional to 386,729.26, 580,109.60 and 184,221.25 is: 276,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,729.26 : 580,109.60 = 184,221.25 : x
  2. Step 2: Convert to fraction form
    386,729.26/580,109.60 = 184,221.25/x
  3. Step 3: Cross multiply
    386,729.26x = 580,109.60 × 184,221.25
  4. Step 4: Simplify right side
    386,729.26x = 106,868,512,748.45
  5. Step 5: Solve for x
    x = 106,868,512,748.45/386,729.26
  6. Step 6: Final answer
    x = 276,339.35

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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.