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Finding the Fourth Proportional to 277,502.60, 416,351.10 and 100,015.40

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Solution

The fourth proportional to 277,502.60, 416,351.10 and 100,015.40 is: 150,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,502.60 : 416,351.10 = 100,015.40 : x
  2. Step 2: Convert to fraction form
    277,502.60/416,351.10 = 100,015.40/x
  3. Step 3: Cross multiply
    277,502.60x = 416,351.10 × 100,015.40
  4. Step 4: Simplify right side
    277,502.60x = 41,641,521,806.94
  5. Step 5: Solve for x
    x = 41,641,521,806.94/277,502.60
  6. Step 6: Final answer
    x = 150,058.13

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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.