Home / 251,905.29-347,635.53-155,073.15

Finding the Fourth Proportional to 251,905.29, 347,635.53 and 155,073.15

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Solution

The fourth proportional to 251,905.29, 347,635.53 and 155,073.15 is: 214,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,905.29 : 347,635.53 = 155,073.15 : x
  2. Step 2: Convert to fraction form
    251,905.29/347,635.53 = 155,073.15/x
  3. Step 3: Cross multiply
    251,905.29x = 347,635.53 × 155,073.15
  4. Step 4: Simplify right side
    251,905.29x = 53,908,936,689.02
  5. Step 5: Solve for x
    x = 53,908,936,689.02/251,905.29
  6. Step 6: Final answer
    x = 214,004.78

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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.