Home / 251,749.73-347,447.81-151,154.21

Finding the Fourth Proportional to 251,749.73, 347,447.81 and 151,154.21

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Solution

The fourth proportional to 251,749.73, 347,447.81 and 151,154.21 is: 208,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,749.73 : 347,447.81 = 151,154.21 : x
  2. Step 2: Convert to fraction form
    251,749.73/347,447.81 = 151,154.21/x
  3. Step 3: Cross multiply
    251,749.73x = 347,447.81 × 151,154.21
  4. Step 4: Simplify right side
    251,749.73x = 52,518,198,481.01
  5. Step 5: Solve for x
    x = 52,518,198,481.01/251,749.73
  6. Step 6: Final answer
    x = 208,612.73

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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.