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Finding the Fourth Proportional to 269,423.70, 403,698.15 and 169,404.90

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Solution

The fourth proportional to 269,423.70, 403,698.15 and 169,404.90 is: 253,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,423.70 : 403,698.15 = 169,404.90 : x
  2. Step 2: Convert to fraction form
    269,423.70/403,698.15 = 169,404.90/x
  3. Step 3: Cross multiply
    269,423.70x = 403,698.15 × 169,404.90
  4. Step 4: Simplify right side
    269,423.70x = 68,388,444,730.94
  5. Step 5: Solve for x
    x = 68,388,444,730.94/269,423.70
  6. Step 6: Final answer
    x = 253,832.33

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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.