Home / 320,805.09-442,821.60-184,893.30

Finding the Fourth Proportional to 320,805.09, 442,821.60 and 184,893.30

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Solution

The fourth proportional to 320,805.09, 442,821.60 and 184,893.30 is: 255,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,805.09 : 442,821.60 = 184,893.30 : x
  2. Step 2: Convert to fraction form
    320,805.09/442,821.60 = 184,893.30/x
  3. Step 3: Cross multiply
    320,805.09x = 442,821.60 × 184,893.30
  4. Step 4: Simplify right side
    320,805.09x = 81,874,746,935.28
  5. Step 5: Solve for x
    x = 81,874,746,935.28/320,805.09
  6. Step 6: Final answer
    x = 255,216.48

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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.