Home / 338,787.03-508,255.72-102,112.62

Finding the Fourth Proportional to 338,787.03, 508,255.72 and 102,112.62

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Solution

The fourth proportional to 338,787.03, 508,255.72 and 102,112.62 is: 153,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,787.03 : 508,255.72 = 102,112.62 : x
  2. Step 2: Convert to fraction form
    338,787.03/508,255.72 = 102,112.62/x
  3. Step 3: Cross multiply
    338,787.03x = 508,255.72 × 102,112.62
  4. Step 4: Simplify right side
    338,787.03x = 51,899,326,044.33
  5. Step 5: Solve for x
    x = 51,899,326,044.33/338,787.03
  6. Step 6: Final answer
    x = 153,191.60

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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.