Home / 211,261.11-316,888.66-51,338.22

Finding the Fourth Proportional to 211,261.11, 316,888.66 and 51,338.22

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Solution

The fourth proportional to 211,261.11, 316,888.66 and 51,338.22 is: 77,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,261.11 : 316,888.66 = 51,338.22 : x
  2. Step 2: Convert to fraction form
    211,261.11/316,888.66 = 51,338.22/x
  3. Step 3: Cross multiply
    211,261.11x = 316,888.66 × 51,338.22
  4. Step 4: Simplify right side
    211,261.11x = 16,268,499,742.59
  5. Step 5: Solve for x
    x = 16,268,499,742.59/211,261.11
  6. Step 6: Final answer
    x = 77,006.60

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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.