Home / 251,710.10-377,176.35-218,273.30

Finding the Fourth Proportional to 251,710.10, 377,176.35 and 218,273.30

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Solution

The fourth proportional to 251,710.10, 377,176.35 and 218,273.30 is: 327,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,710.10 : 377,176.35 = 218,273.30 : x
  2. Step 2: Convert to fraction form
    251,710.10/377,176.35 = 218,273.30/x
  3. Step 3: Cross multiply
    251,710.10x = 377,176.35 × 218,273.30
  4. Step 4: Simplify right side
    251,710.10x = 82,327,526,596.46
  5. Step 5: Solve for x
    x = 82,327,526,596.46/251,710.10
  6. Step 6: Final answer
    x = 327,072.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.