Home / 320,788.20-442,798.37-184,876.40

Finding the Fourth Proportional to 320,788.20, 442,798.37 and 184,876.40

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Solution

The fourth proportional to 320,788.20, 442,798.37 and 184,876.40 is: 255,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,788.20 : 442,798.37 = 184,876.40 : x
  2. Step 2: Convert to fraction form
    320,788.20/442,798.37 = 184,876.40/x
  3. Step 3: Cross multiply
    320,788.20x = 442,798.37 × 184,876.40
  4. Step 4: Simplify right side
    320,788.20x = 81,862,970,140.65
  5. Step 5: Solve for x
    x = 81,862,970,140.65/320,788.20
  6. Step 6: Final answer
    x = 255,193.21

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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.