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Finding the Fourth Proportional to 207,613.45, 310,928.10 and 207,613.45

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Solution

The fourth proportional to 207,613.45, 310,928.10 and 207,613.45 is: 310,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,613.45 : 310,928.10 = 207,613.45 : x
  2. Step 2: Convert to fraction form
    207,613.45/310,928.10 = 207,613.45/x
  3. Step 3: Cross multiply
    207,613.45x = 310,928.10 × 207,613.45
  4. Step 4: Simplify right side
    207,613.45x = 64,552,855,542.95
  5. Step 5: Solve for x
    x = 64,552,855,542.95/207,613.45
  6. Step 6: Final answer
    x = 310,928.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.