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Finding the Fourth Proportional to 557,559.18, 836,370.54 and 158,168.70

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Solution

The fourth proportional to 557,559.18, 836,370.54 and 158,168.70 is: 237,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,559.18 : 836,370.54 = 158,168.70 : x
  2. Step 2: Convert to fraction form
    557,559.18/836,370.54 = 158,168.70/x
  3. Step 3: Cross multiply
    557,559.18x = 836,370.54 × 158,168.70
  4. Step 4: Simplify right side
    557,559.18x = 132,287,641,030.10
  5. Step 5: Solve for x
    x = 132,287,641,030.10/557,559.18
  6. Step 6: Final answer
    x = 237,262.06

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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.