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Finding the Fourth Proportional to 557,616.31, 836,422.93 and 158,257.47

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Solution

The fourth proportional to 557,616.31, 836,422.93 and 158,257.47 is: 237,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,616.31 : 836,422.93 = 158,257.47 : x
  2. Step 2: Convert to fraction form
    557,616.31/836,422.93 = 158,257.47/x
  3. Step 3: Cross multiply
    557,616.31x = 836,422.93 × 158,257.47
  4. Step 4: Simplify right side
    557,616.31x = 132,370,178,178.86
  5. Step 5: Solve for x
    x = 132,370,178,178.86/557,616.31
  6. Step 6: Final answer
    x = 237,385.77

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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.