Home / 320,375.63-442,107.54-184,390.70

Finding the Fourth Proportional to 320,375.63, 442,107.54 and 184,390.70

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Solution

The fourth proportional to 320,375.63, 442,107.54 and 184,390.70 is: 254,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,375.63 : 442,107.54 = 184,390.70 : x
  2. Step 2: Convert to fraction form
    320,375.63/442,107.54 = 184,390.70/x
  3. Step 3: Cross multiply
    320,375.63x = 442,107.54 × 184,390.70
  4. Step 4: Simplify right side
    320,375.63x = 81,520,518,775.88
  5. Step 5: Solve for x
    x = 81,520,518,775.88/320,375.63
  6. Step 6: Final answer
    x = 254,452.93

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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.