Home / 272,840.67-376,519.89-158,185.88

Finding the Fourth Proportional to 272,840.67, 376,519.89 and 158,185.88

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Solution

The fourth proportional to 272,840.67, 376,519.89 and 158,185.88 is: 218,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,840.67 : 376,519.89 = 158,185.88 : x
  2. Step 2: Convert to fraction form
    272,840.67/376,519.89 = 158,185.88/x
  3. Step 3: Cross multiply
    272,840.67x = 376,519.89 × 158,185.88
  4. Step 4: Simplify right side
    272,840.67x = 59,560,128,254.55
  5. Step 5: Solve for x
    x = 59,560,128,254.55/272,840.67
  6. Step 6: Final answer
    x = 218,296.37

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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.