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Finding the Fourth Proportional to 270,002.60, 404,744.70 and 209,997.80

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Solution

The fourth proportional to 270,002.60, 404,744.70 and 209,997.80 is: 314,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,002.60 : 404,744.70 = 209,997.80 : x
  2. Step 2: Convert to fraction form
    270,002.60/404,744.70 = 209,997.80/x
  3. Step 3: Cross multiply
    270,002.60x = 404,744.70 × 209,997.80
  4. Step 4: Simplify right side
    270,002.60x = 84,995,496,561.66
  5. Step 5: Solve for x
    x = 84,995,496,561.66/270,002.60
  6. Step 6: Final answer
    x = 314,795.10

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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.