Home / 251,066.86-346,372.10-160,399.31

Finding the Fourth Proportional to 251,066.86, 346,372.10 and 160,399.31

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Solution

The fourth proportional to 251,066.86, 346,372.10 and 160,399.31 is: 221,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,066.86 : 346,372.10 = 160,399.31 : x
  2. Step 2: Convert to fraction form
    251,066.86/346,372.10 = 160,399.31/x
  3. Step 3: Cross multiply
    251,066.86x = 346,372.10 × 160,399.31
  4. Step 4: Simplify right side
    251,066.86x = 55,557,843,910.89
  5. Step 5: Solve for x
    x = 55,557,843,910.89/251,066.86
  6. Step 6: Final answer
    x = 221,287.05

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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.