Home / 251,934.80-347,644.23-155,123.30

Finding the Fourth Proportional to 251,934.80, 347,644.23 and 155,123.30

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Solution

The fourth proportional to 251,934.80, 347,644.23 and 155,123.30 is: 214,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,934.80 : 347,644.23 = 155,123.30 : x
  2. Step 2: Convert to fraction form
    251,934.80/347,644.23 = 155,123.30/x
  3. Step 3: Cross multiply
    251,934.80x = 347,644.23 × 155,123.30
  4. Step 4: Simplify right side
    251,934.80x = 53,927,720,183.56
  5. Step 5: Solve for x
    x = 53,927,720,183.56/251,934.80
  6. Step 6: Final answer
    x = 214,054.27

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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.