Home / 277,745.12-383,288.75-150,420.72

Finding the Fourth Proportional to 277,745.12, 383,288.75 and 150,420.72

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Solution

The fourth proportional to 277,745.12, 383,288.75 and 150,420.72 is: 207,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,745.12 : 383,288.75 = 150,420.72 : x
  2. Step 2: Convert to fraction form
    277,745.12/383,288.75 = 150,420.72/x
  3. Step 3: Cross multiply
    277,745.12x = 383,288.75 × 150,420.72
  4. Step 4: Simplify right side
    277,745.12x = 57,654,568,869.64
  5. Step 5: Solve for x
    x = 57,654,568,869.64/277,745.12
  6. Step 6: Final answer
    x = 207,580.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.