Home / 277,739.10-416,564.10-100,154.70

Finding the Fourth Proportional to 277,739.10, 416,564.10 and 100,154.70

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Solution

The fourth proportional to 277,739.10, 416,564.10 and 100,154.70 is: 150,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,739.10 : 416,564.10 = 100,154.70 : x
  2. Step 2: Convert to fraction form
    277,739.10/416,564.10 = 100,154.70/x
  3. Step 3: Cross multiply
    277,739.10x = 416,564.10 × 100,154.70
  4. Step 4: Simplify right side
    277,739.10x = 41,720,852,466.27
  5. Step 5: Solve for x
    x = 41,720,852,466.27/277,739.10
  6. Step 6: Final answer
    x = 150,215.98

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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.