Home / 251,899.25-347,627.79-143,001.09

Finding the Fourth Proportional to 251,899.25, 347,627.79 and 143,001.09

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Solution

The fourth proportional to 251,899.25, 347,627.79 and 143,001.09 is: 197,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,899.25 : 347,627.79 = 143,001.09 : x
  2. Step 2: Convert to fraction form
    251,899.25/347,627.79 = 143,001.09/x
  3. Step 3: Cross multiply
    251,899.25x = 347,627.79 × 143,001.09
  4. Step 4: Simplify right side
    251,899.25x = 49,711,152,884.29
  5. Step 5: Solve for x
    x = 49,711,152,884.29/251,899.25
  6. Step 6: Final answer
    x = 197,345.38

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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.