Home / 557,385.20-836,077.80-158,029.43

Finding the Fourth Proportional to 557,385.20, 836,077.80 and 158,029.43

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Solution

The fourth proportional to 557,385.20, 836,077.80 and 158,029.43 is: 237,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,385.20 : 836,077.80 = 158,029.43 : x
  2. Step 2: Convert to fraction form
    557,385.20/836,077.80 = 158,029.43/x
  3. Step 3: Cross multiply
    557,385.20x = 836,077.80 × 158,029.43
  4. Step 4: Simplify right side
    557,385.20x = 132,124,898,395.90
  5. Step 5: Solve for x
    x = 132,124,898,395.90/557,385.20
  6. Step 6: Final answer
    x = 237,044.15

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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.