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Finding the Fourth Proportional to 207,059.88, 310,596.71 and 57,287.61

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Solution

The fourth proportional to 207,059.88, 310,596.71 and 57,287.61 is: 85,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,059.88 : 310,596.71 = 57,287.61 : x
  2. Step 2: Convert to fraction form
    207,059.88/310,596.71 = 57,287.61/x
  3. Step 3: Cross multiply
    207,059.88x = 310,596.71 × 57,287.61
  4. Step 4: Simplify right side
    207,059.88x = 17,793,343,189.76
  5. Step 5: Solve for x
    x = 17,793,343,189.76/207,059.88
  6. Step 6: Final answer
    x = 85,933.32

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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.