Home / 277,623.20-416,332.40-90,640.80

Finding the Fourth Proportional to 277,623.20, 416,332.40 and 90,640.80

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Solution

The fourth proportional to 277,623.20, 416,332.40 and 90,640.80 is: 135,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,623.20 : 416,332.40 = 90,640.80 : x
  2. Step 2: Convert to fraction form
    277,623.20/416,332.40 = 90,640.80/x
  3. Step 3: Cross multiply
    277,623.20x = 416,332.40 × 90,640.80
  4. Step 4: Simplify right side
    277,623.20x = 37,736,701,801.92
  5. Step 5: Solve for x
    x = 37,736,701,801.92/277,623.20
  6. Step 6: Final answer
    x = 135,927.77

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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.