Home / 231,006.75-346,648.37-99,678.75

Finding the Fourth Proportional to 231,006.75, 346,648.37 and 99,678.75

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Solution

The fourth proportional to 231,006.75, 346,648.37 and 99,678.75 is: 149,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,006.75 : 346,648.37 = 99,678.75 : x
  2. Step 2: Convert to fraction form
    231,006.75/346,648.37 = 99,678.75/x
  3. Step 3: Cross multiply
    231,006.75x = 346,648.37 × 99,678.75
  4. Step 4: Simplify right side
    231,006.75x = 34,553,475,712.74
  5. Step 5: Solve for x
    x = 34,553,475,712.74/231,006.75
  6. Step 6: Final answer
    x = 149,577.78

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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.