Home / 277,815.33-416,781.32-90,812.25

Finding the Fourth Proportional to 277,815.33, 416,781.32 and 90,812.25

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Solution

The fourth proportional to 277,815.33, 416,781.32 and 90,812.25 is: 136,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,815.33 : 416,781.32 = 90,812.25 : x
  2. Step 2: Convert to fraction form
    277,815.33/416,781.32 = 90,812.25/x
  3. Step 3: Cross multiply
    277,815.33x = 416,781.32 × 90,812.25
  4. Step 4: Simplify right side
    277,815.33x = 37,848,848,973.11
  5. Step 5: Solve for x
    x = 37,848,848,973.11/277,815.33
  6. Step 6: Final answer
    x = 136,237.44

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1.5x scale

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.