Home / 251,836.39-347,765.13-159,985.33

Finding the Fourth Proportional to 251,836.39, 347,765.13 and 159,985.33

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Solution

The fourth proportional to 251,836.39, 347,765.13 and 159,985.33 is: 220,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,836.39 : 347,765.13 = 159,985.33 : x
  2. Step 2: Convert to fraction form
    251,836.39/347,765.13 = 159,985.33/x
  3. Step 3: Cross multiply
    251,836.39x = 347,765.13 × 159,985.33
  4. Step 4: Simplify right side
    251,836.39x = 55,637,318,216.13
  5. Step 5: Solve for x
    x = 55,637,318,216.13/251,836.39
  6. Step 6: Final answer
    x = 220,926.44

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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.