Home / 320,777.64-442,634.31-184,856.13

Finding the Fourth Proportional to 320,777.64, 442,634.31 and 184,856.13

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Solution

The fourth proportional to 320,777.64, 442,634.31 and 184,856.13 is: 255,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,777.64 : 442,634.31 = 184,856.13 : x
  2. Step 2: Convert to fraction form
    320,777.64/442,634.31 = 184,856.13/x
  3. Step 3: Cross multiply
    320,777.64x = 442,634.31 × 184,856.13
  4. Step 4: Simplify right side
    320,777.64x = 81,823,665,551.82
  5. Step 5: Solve for x
    x = 81,823,665,551.82/320,777.64
  6. Step 6: Final answer
    x = 255,079.08

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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.