Home / 320,863.20-442,801.62-184,886.70

Finding the Fourth Proportional to 320,863.20, 442,801.62 and 184,886.70

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Solution

The fourth proportional to 320,863.20, 442,801.62 and 184,886.70 is: 255,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,863.20 : 442,801.62 = 184,886.70 : x
  2. Step 2: Convert to fraction form
    320,863.20/442,801.62 = 184,886.70/x
  3. Step 3: Cross multiply
    320,863.20x = 442,801.62 × 184,886.70
  4. Step 4: Simplify right side
    320,863.20x = 81,868,130,276.45
  5. Step 5: Solve for x
    x = 81,868,130,276.45/320,863.20
  6. Step 6: Final answer
    x = 255,149.64

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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.