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Finding the Fourth Proportional to 207,044.28, 310,566 and 64,900.56

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Solution

The fourth proportional to 207,044.28, 310,566 and 64,900.56 is: 97,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,044.28 : 310,566 = 64,900.56 : x
  2. Step 2: Convert to fraction form
    207,044.28/310,566 = 64,900.56/x
  3. Step 3: Cross multiply
    207,044.28x = 310,566 × 64,900.56
  4. Step 4: Simplify right side
    207,044.28x = 20,155,907,316.96
  5. Step 5: Solve for x
    x = 20,155,907,316.96/207,044.28
  6. Step 6: Final answer
    x = 97,350.71

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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.