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Finding the Fourth Proportional to 277,916.68, 416,667.66 and 130,138.12

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Solution

The fourth proportional to 277,916.68, 416,667.66 and 130,138.12 is: 195,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,916.68 : 416,667.66 = 130,138.12 : x
  2. Step 2: Convert to fraction form
    277,916.68/416,667.66 = 130,138.12/x
  3. Step 3: Cross multiply
    277,916.68x = 416,667.66 × 130,138.12
  4. Step 4: Simplify right side
    277,916.68x = 54,224,345,937.20
  5. Step 5: Solve for x
    x = 54,224,345,937.20/277,916.68
  6. Step 6: Final answer
    x = 195,110.08

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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.