Home / 251,830.48-347,756.96-159,979.42

Finding the Fourth Proportional to 251,830.48, 347,756.96 and 159,979.42

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Solution

The fourth proportional to 251,830.48, 347,756.96 and 159,979.42 is: 220,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,830.48 : 347,756.96 = 159,979.42 : x
  2. Step 2: Convert to fraction form
    251,830.48/347,756.96 = 159,979.42/x
  3. Step 3: Cross multiply
    251,830.48x = 347,756.96 × 159,979.42
  4. Step 4: Simplify right side
    251,830.48x = 55,633,957,596.41
  5. Step 5: Solve for x
    x = 55,633,957,596.41/251,830.48
  6. Step 6: Final answer
    x = 220,918.29

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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.