Home / 283,077.82-390,658.11-162,242.43

Finding the Fourth Proportional to 283,077.82, 390,658.11 and 162,242.43

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Solution

The fourth proportional to 283,077.82, 390,658.11 and 162,242.43 is: 223,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,077.82 : 390,658.11 = 162,242.43 : x
  2. Step 2: Convert to fraction form
    283,077.82/390,658.11 = 162,242.43/x
  3. Step 3: Cross multiply
    283,077.82x = 390,658.11 × 162,242.43
  4. Step 4: Simplify right side
    283,077.82x = 63,381,318,992.23
  5. Step 5: Solve for x
    x = 63,381,318,992.23/283,077.82
  6. Step 6: Final answer
    x = 223,900.69

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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.