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Finding the Fourth Proportional to 207,314.60, 310,583.10 and 193,317.80

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Solution

The fourth proportional to 207,314.60, 310,583.10 and 193,317.80 is: 289,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,314.60 : 310,583.10 = 193,317.80 : x
  2. Step 2: Convert to fraction form
    207,314.60/310,583.10 = 193,317.80/x
  3. Step 3: Cross multiply
    207,314.60x = 310,583.10 × 193,317.80
  4. Step 4: Simplify right side
    207,314.60x = 60,041,241,609.18
  5. Step 5: Solve for x
    x = 60,041,241,609.18/207,314.60
  6. Step 6: Final answer
    x = 289,614.15

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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.