Home / 356,174.82-491,475.63-203,204.19

Finding the Fourth Proportional to 356,174.82, 491,475.63 and 203,204.19

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Solution

The fourth proportional to 356,174.82, 491,475.63 and 203,204.19 is: 280,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,174.82 : 491,475.63 = 203,204.19 : x
  2. Step 2: Convert to fraction form
    356,174.82/491,475.63 = 203,204.19/x
  3. Step 3: Cross multiply
    356,174.82x = 491,475.63 × 203,204.19
  4. Step 4: Simplify right side
    356,174.82x = 99,869,908,189.40
  5. Step 5: Solve for x
    x = 99,869,908,189.40/356,174.82
  6. Step 6: Final answer
    x = 280,395.76

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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.