Home / 655,143.46-982,714.89-181,828.68

Finding the Fourth Proportional to 655,143.46, 982,714.89 and 181,828.68

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Solution

The fourth proportional to 655,143.46, 982,714.89 and 181,828.68 is: 272,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,143.46 : 982,714.89 = 181,828.68 : x
  2. Step 2: Convert to fraction form
    655,143.46/982,714.89 = 181,828.68/x
  3. Step 3: Cross multiply
    655,143.46x = 982,714.89 × 181,828.68
  4. Step 4: Simplify right side
    655,143.46x = 178,685,751,265.05
  5. Step 5: Solve for x
    x = 178,685,751,265.05/655,143.46
  6. Step 6: Final answer
    x = 272,742.94

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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.