Home / 251,199.81-378,475.20-227,211.84

Finding the Fourth Proportional to 251,199.81, 378,475.20 and 227,211.84

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Solution

The fourth proportional to 251,199.81, 378,475.20 and 227,211.84 is: 342,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,199.81 : 378,475.20 = 227,211.84 : x
  2. Step 2: Convert to fraction form
    251,199.81/378,475.20 = 227,211.84/x
  3. Step 3: Cross multiply
    251,199.81x = 378,475.20 × 227,211.84
  4. Step 4: Simplify right side
    251,199.81x = 85,994,046,586.37
  5. Step 5: Solve for x
    x = 85,994,046,586.37/251,199.81
  6. Step 6: Final answer
    x = 342,333.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.