Home / 320,781.64-442,639.83-184,860.13

Finding the Fourth Proportional to 320,781.64, 442,639.83 and 184,860.13

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Solution

The fourth proportional to 320,781.64, 442,639.83 and 184,860.13 is: 255,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,781.64 : 442,639.83 = 184,860.13 : x
  2. Step 2: Convert to fraction form
    320,781.64/442,639.83 = 184,860.13/x
  3. Step 3: Cross multiply
    320,781.64x = 442,639.83 × 184,860.13
  4. Step 4: Simplify right side
    320,781.64x = 81,826,456,516.98
  5. Step 5: Solve for x
    x = 81,826,456,516.98/320,781.64
  6. Step 6: Final answer
    x = 255,084.60

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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.