Home / 395,919.96-546,241.10-223,821.29

Finding the Fourth Proportional to 395,919.96, 546,241.10 and 223,821.29

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Solution

The fourth proportional to 395,919.96, 546,241.10 and 223,821.29 is: 308,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,919.96 : 546,241.10 = 223,821.29 : x
  2. Step 2: Convert to fraction form
    395,919.96/546,241.10 = 223,821.29/x
  3. Step 3: Cross multiply
    395,919.96x = 546,241.10 × 223,821.29
  4. Step 4: Simplify right side
    395,919.96x = 122,260,383,802.71
  5. Step 5: Solve for x
    x = 122,260,383,802.71/395,919.96
  6. Step 6: Final answer
    x = 308,800.76

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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.