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Finding the Fourth Proportional to 207,059.45, 310,596.08 and 57,287.21

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Solution

The fourth proportional to 207,059.45, 310,596.08 and 57,287.21 is: 85,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,059.45 : 310,596.08 = 57,287.21 : x
  2. Step 2: Convert to fraction form
    207,059.45/310,596.08 = 57,287.21/x
  3. Step 3: Cross multiply
    207,059.45x = 310,596.08 × 57,287.21
  4. Step 4: Simplify right side
    207,059.45x = 17,793,181,020.72
  5. Step 5: Solve for x
    x = 17,793,181,020.72/207,059.45
  6. Step 6: Final answer
    x = 85,932.72

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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.