Home / 283,236.90-390,834.86-166,942.77

Finding the Fourth Proportional to 283,236.90, 390,834.86 and 166,942.77

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Solution

The fourth proportional to 283,236.90, 390,834.86 and 166,942.77 is: 230,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,236.90 : 390,834.86 = 166,942.77 : x
  2. Step 2: Convert to fraction form
    283,236.90/390,834.86 = 166,942.77/x
  3. Step 3: Cross multiply
    283,236.90x = 390,834.86 × 166,942.77
  4. Step 4: Simplify right side
    283,236.90x = 65,247,053,306.25
  5. Step 5: Solve for x
    x = 65,247,053,306.25/283,236.90
  6. Step 6: Final answer
    x = 230,362.12

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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.