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Finding the Fourth Proportional to 207,244.20, 310,943.10 and 199,564.20

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Solution

The fourth proportional to 207,244.20, 310,943.10 and 199,564.20 is: 299,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,244.20 : 310,943.10 = 199,564.20 : x
  2. Step 2: Convert to fraction form
    207,244.20/310,943.10 = 199,564.20/x
  3. Step 3: Cross multiply
    207,244.20x = 310,943.10 × 199,564.20
  4. Step 4: Simplify right side
    207,244.20x = 62,053,110,997.02
  5. Step 5: Solve for x
    x = 62,053,110,997.02/207,244.20
  6. Step 6: Final answer
    x = 299,420.25

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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.