Home / 475,177.72-655,745.14-284,191.12

Finding the Fourth Proportional to 475,177.72, 655,745.14 and 284,191.12

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Solution

The fourth proportional to 475,177.72, 655,745.14 and 284,191.12 is: 392,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,177.72 : 655,745.14 = 284,191.12 : x
  2. Step 2: Convert to fraction form
    475,177.72/655,745.14 = 284,191.12/x
  3. Step 3: Cross multiply
    475,177.72x = 655,745.14 × 284,191.12
  4. Step 4: Simplify right side
    475,177.72x = 186,356,945,771.16
  5. Step 5: Solve for x
    x = 186,356,945,771.16/475,177.72
  6. Step 6: Final answer
    x = 392,183.68

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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.