Home / 320,949.96-442,900.80-184,984.44

Finding the Fourth Proportional to 320,949.96, 442,900.80 and 184,984.44

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Solution

The fourth proportional to 320,949.96, 442,900.80 and 184,984.44 is: 255,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,949.96 : 442,900.80 = 184,984.44 : x
  2. Step 2: Convert to fraction form
    320,949.96/442,900.80 = 184,984.44/x
  3. Step 3: Cross multiply
    320,949.96x = 442,900.80 × 184,984.44
  4. Step 4: Simplify right side
    320,949.96x = 81,929,756,463.55
  5. Step 5: Solve for x
    x = 81,929,756,463.55/320,949.96
  6. Step 6: Final answer
    x = 255,272.68

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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.