Home / 211,417.31-316,503.87-141,122.27

Finding the Fourth Proportional to 211,417.31, 316,503.87 and 141,122.27

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Solution

The fourth proportional to 211,417.31, 316,503.87 and 141,122.27 is: 211,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,417.31 : 316,503.87 = 141,122.27 : x
  2. Step 2: Convert to fraction form
    211,417.31/316,503.87 = 141,122.27/x
  3. Step 3: Cross multiply
    211,417.31x = 316,503.87 × 141,122.27
  4. Step 4: Simplify right side
    211,417.31x = 44,665,743,015.67
  5. Step 5: Solve for x
    x = 44,665,743,015.67/211,417.31
  6. Step 6: Final answer
    x = 211,268.15

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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.