Home / 557,380.05-836,291.61-178,359.18

Finding the Fourth Proportional to 557,380.05, 836,291.61 and 178,359.18

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Solution

The fourth proportional to 557,380.05, 836,291.61 and 178,359.18 is: 267,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,380.05 : 836,291.61 = 178,359.18 : x
  2. Step 2: Convert to fraction form
    557,380.05/836,291.61 = 178,359.18/x
  3. Step 3: Cross multiply
    557,380.05x = 836,291.61 × 178,359.18
  4. Step 4: Simplify right side
    557,380.05x = 149,160,285,800.48
  5. Step 5: Solve for x
    x = 149,160,285,800.48/557,380.05
  6. Step 6: Final answer
    x = 267,609.66

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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.