Home / 211,171.11-316,754.02-51,248.37

Finding the Fourth Proportional to 211,171.11, 316,754.02 and 51,248.37

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Solution

The fourth proportional to 211,171.11, 316,754.02 and 51,248.37 is: 76,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,171.11 : 316,754.02 = 51,248.37 : x
  2. Step 2: Convert to fraction form
    211,171.11/316,754.02 = 51,248.37/x
  3. Step 3: Cross multiply
    211,171.11x = 316,754.02 × 51,248.37
  4. Step 4: Simplify right side
    211,171.11x = 16,233,125,375.94
  5. Step 5: Solve for x
    x = 16,233,125,375.94/211,171.11
  6. Step 6: Final answer
    x = 76,871.91

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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.