Home / 231,214.97-346,828.62-81,421.22

Finding the Fourth Proportional to 231,214.97, 346,828.62 and 81,421.22

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Solution

The fourth proportional to 231,214.97, 346,828.62 and 81,421.22 is: 122,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,214.97 : 346,828.62 = 81,421.22 : x
  2. Step 2: Convert to fraction form
    231,214.97/346,828.62 = 81,421.22/x
  3. Step 3: Cross multiply
    231,214.97x = 346,828.62 × 81,421.22
  4. Step 4: Simplify right side
    231,214.97x = 28,239,209,371.32
  5. Step 5: Solve for x
    x = 28,239,209,371.32/231,214.97
  6. Step 6: Final answer
    x = 122,134.00

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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.