Home / 320,718.42-442,447.92-184,716.72

Finding the Fourth Proportional to 320,718.42, 442,447.92 and 184,716.72

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Solution

The fourth proportional to 320,718.42, 442,447.92 and 184,716.72 is: 254,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,718.42 : 442,447.92 = 184,716.72 : x
  2. Step 2: Convert to fraction form
    320,718.42/442,447.92 = 184,716.72/x
  3. Step 3: Cross multiply
    320,718.42x = 442,447.92 × 184,716.72
  4. Step 4: Simplify right side
    320,718.42x = 81,727,528,553.22
  5. Step 5: Solve for x
    x = 81,727,528,553.22/320,718.42
  6. Step 6: Final answer
    x = 254,826.43

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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.