Home / 905,156.34-1,357,734.46-231,239.11

Finding the Fourth Proportional to 905,156.34, 1,357,734.46 and 231,239.11

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Solution

The fourth proportional to 905,156.34, 1,357,734.46 and 231,239.11 is: 346,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,156.34 : 1,357,734.46 = 231,239.11 : x
  2. Step 2: Convert to fraction form
    905,156.34/1,357,734.46 = 231,239.11/x
  3. Step 3: Cross multiply
    905,156.34x = 1,357,734.46 × 231,239.11
  4. Step 4: Simplify right side
    905,156.34x = 313,961,308,146.73
  5. Step 5: Solve for x
    x = 313,961,308,146.73/905,156.34
  6. Step 6: Final answer
    x = 346,858.65

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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.