Home / 320,819.43-442,829.52-184,944.26

Finding the Fourth Proportional to 320,819.43, 442,829.52 and 184,944.26

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Solution

The fourth proportional to 320,819.43, 442,829.52 and 184,944.26 is: 255,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,819.43 : 442,829.52 = 184,944.26 : x
  2. Step 2: Convert to fraction form
    320,819.43/442,829.52 = 184,944.26/x
  3. Step 3: Cross multiply
    320,819.43x = 442,829.52 × 184,944.26
  4. Step 4: Simplify right side
    320,819.43x = 81,898,775,668.41
  5. Step 5: Solve for x
    x = 81,898,775,668.41/320,819.43
  6. Step 6: Final answer
    x = 255,279.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.