Home / 427,966.22-590,589.14-231,731.76

Finding the Fourth Proportional to 427,966.22, 590,589.14 and 231,731.76

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Solution

The fourth proportional to 427,966.22, 590,589.14 and 231,731.76 is: 319,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,966.22 : 590,589.14 = 231,731.76 : x
  2. Step 2: Convert to fraction form
    427,966.22/590,589.14 = 231,731.76/x
  3. Step 3: Cross multiply
    427,966.22x = 590,589.14 × 231,731.76
  4. Step 4: Simplify right side
    427,966.22x = 136,858,261,428.42
  5. Step 5: Solve for x
    x = 136,858,261,428.42/427,966.22
  6. Step 6: Final answer
    x = 319,787.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.