Home / 231,747.20-346,964.70-208,127.60

Finding the Fourth Proportional to 231,747.20, 346,964.70 and 208,127.60

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Solution

The fourth proportional to 231,747.20, 346,964.70 and 208,127.60 is: 311,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,747.20 : 346,964.70 = 208,127.60 : x
  2. Step 2: Convert to fraction form
    231,747.20/346,964.70 = 208,127.60/x
  3. Step 3: Cross multiply
    231,747.20x = 346,964.70 × 208,127.60
  4. Step 4: Simplify right side
    231,747.20x = 72,212,930,295.72
  5. Step 5: Solve for x
    x = 72,212,930,295.72/231,747.20
  6. Step 6: Final answer
    x = 311,602.17

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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.