Home / 251,490.06-347,199.75-166,721.94

Finding the Fourth Proportional to 251,490.06, 347,199.75 and 166,721.94

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Solution

The fourth proportional to 251,490.06, 347,199.75 and 166,721.94 is: 230,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,490.06 : 347,199.75 = 166,721.94 : x
  2. Step 2: Convert to fraction form
    251,490.06/347,199.75 = 166,721.94/x
  3. Step 3: Cross multiply
    251,490.06x = 347,199.75 × 166,721.94
  4. Step 4: Simplify right side
    251,490.06x = 57,885,815,887.52
  5. Step 5: Solve for x
    x = 57,885,815,887.52/251,490.06
  6. Step 6: Final answer
    x = 230,171.39

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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.