Home / 277,916.43-416,667.29-130,137.87

Finding the Fourth Proportional to 277,916.43, 416,667.29 and 130,137.87

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Solution

The fourth proportional to 277,916.43, 416,667.29 and 130,137.87 is: 195,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,916.43 : 416,667.29 = 130,137.87 : x
  2. Step 2: Convert to fraction form
    277,916.43/416,667.29 = 130,137.87/x
  3. Step 3: Cross multiply
    277,916.43x = 416,667.29 × 130,137.87
  4. Step 4: Simplify right side
    277,916.43x = 54,224,192,968.58
  5. Step 5: Solve for x
    x = 54,224,192,968.58/277,916.43
  6. Step 6: Final answer
    x = 195,109.71

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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.