Home / 415,806.98-623,787.39-131,569.07

Finding the Fourth Proportional to 415,806.98, 623,787.39 and 131,569.07

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Solution

The fourth proportional to 415,806.98, 623,787.39 and 131,569.07 is: 197,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,806.98 : 623,787.39 = 131,569.07 : x
  2. Step 2: Convert to fraction form
    415,806.98/623,787.39 = 131,569.07/x
  3. Step 3: Cross multiply
    415,806.98x = 623,787.39 × 131,569.07
  4. Step 4: Simplify right side
    415,806.98x = 82,071,123,661.09
  5. Step 5: Solve for x
    x = 82,071,123,661.09/415,806.98
  6. Step 6: Final answer
    x = 197,377.94

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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.