Home / 277,421.49-416,033.73-99,880.83

Finding the Fourth Proportional to 277,421.49, 416,033.73 and 99,880.83

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Solution

The fourth proportional to 277,421.49, 416,033.73 and 99,880.83 is: 149,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,421.49 : 416,033.73 = 99,880.83 : x
  2. Step 2: Convert to fraction form
    277,421.49/416,033.73 = 99,880.83/x
  3. Step 3: Cross multiply
    277,421.49x = 416,033.73 × 99,880.83
  4. Step 4: Simplify right side
    277,421.49x = 41,553,794,260.40
  5. Step 5: Solve for x
    x = 41,553,794,260.40/277,421.49
  6. Step 6: Final answer
    x = 149,785.78

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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.