Home / 251,935.30-347,644.92-155,123.80

Finding the Fourth Proportional to 251,935.30, 347,644.92 and 155,123.80

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Solution

The fourth proportional to 251,935.30, 347,644.92 and 155,123.80 is: 214,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,935.30 : 347,644.92 = 155,123.80 : x
  2. Step 2: Convert to fraction form
    251,935.30/347,644.92 = 155,123.80/x
  3. Step 3: Cross multiply
    251,935.30x = 347,644.92 × 155,123.80
  4. Step 4: Simplify right side
    251,935.30x = 53,928,001,041.10
  5. Step 5: Solve for x
    x = 53,928,001,041.10/251,935.30
  6. Step 6: Final answer
    x = 214,054.96

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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.