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Finding the Fourth Proportional to 207,310.08, 310,527.72 and 204,948.12

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Solution

The fourth proportional to 207,310.08, 310,527.72 and 204,948.12 is: 306,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,310.08 : 310,527.72 = 204,948.12 : x
  2. Step 2: Convert to fraction form
    207,310.08/310,527.72 = 204,948.12/x
  3. Step 3: Cross multiply
    207,310.08x = 310,527.72 × 204,948.12
  4. Step 4: Simplify right side
    207,310.08x = 63,642,072,421.89
  5. Step 5: Solve for x
    x = 63,642,072,421.89/207,310.08
  6. Step 6: Final answer
    x = 306,989.76

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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.