Home / 231,429.65-346,916.75-135,244.78

Finding the Fourth Proportional to 231,429.65, 346,916.75 and 135,244.78

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Solution

The fourth proportional to 231,429.65, 346,916.75 and 135,244.78 is: 202,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,429.65 : 346,916.75 = 135,244.78 : x
  2. Step 2: Convert to fraction form
    231,429.65/346,916.75 = 135,244.78/x
  3. Step 3: Cross multiply
    231,429.65x = 346,916.75 × 135,244.78
  4. Step 4: Simplify right side
    231,429.65x = 46,918,680,076.40
  5. Step 5: Solve for x
    x = 46,918,680,076.40/231,429.65
  6. Step 6: Final answer
    x = 202,734.09

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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.