Home / 320,806.22-442,663.01-184,813.56

Finding the Fourth Proportional to 320,806.22, 442,663.01 and 184,813.56

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Solution

The fourth proportional to 320,806.22, 442,663.01 and 184,813.56 is: 255,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,806.22 : 442,663.01 = 184,813.56 : x
  2. Step 2: Convert to fraction form
    320,806.22/442,663.01 = 184,813.56/x
  3. Step 3: Cross multiply
    320,806.22x = 442,663.01 × 184,813.56
  4. Step 4: Simplify right side
    320,806.22x = 81,810,126,758.42
  5. Step 5: Solve for x
    x = 81,810,126,758.42/320,806.22
  6. Step 6: Final answer
    x = 255,014.15

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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.