Home / 655,225.17-982,836.86-205,985.31

Finding the Fourth Proportional to 655,225.17, 982,836.86 and 205,985.31

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Solution

The fourth proportional to 655,225.17, 982,836.86 and 205,985.31 is: 308,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,225.17 : 982,836.86 = 205,985.31 : x
  2. Step 2: Convert to fraction form
    655,225.17/982,836.86 = 205,985.31/x
  3. Step 3: Cross multiply
    655,225.17x = 982,836.86 × 205,985.31
  4. Step 4: Simplify right side
    655,225.17x = 202,449,954,256.60
  5. Step 5: Solve for x
    x = 202,449,954,256.60/655,225.17
  6. Step 6: Final answer
    x = 308,977.68

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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.