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Finding the Fourth Proportional to 475,161.42, 655,722.77 and 284,174.82

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Solution

The fourth proportional to 475,161.42, 655,722.77 and 284,174.82 is: 392,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,161.42 : 655,722.77 = 284,174.82 : x
  2. Step 2: Convert to fraction form
    475,161.42/655,722.77 = 284,174.82/x
  3. Step 3: Cross multiply
    475,161.42x = 655,722.77 × 284,174.82
  4. Step 4: Simplify right side
    475,161.42x = 186,339,898,713.78
  5. Step 5: Solve for x
    x = 186,339,898,713.78/475,161.42
  6. Step 6: Final answer
    x = 392,161.25

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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.