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Finding the Fourth Proportional to 557,555.68, 836,385.36 and 158,206.24

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Solution

The fourth proportional to 557,555.68, 836,385.36 and 158,206.24 is: 237,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,555.68 : 836,385.36 = 158,206.24 : x
  2. Step 2: Convert to fraction form
    557,555.68/836,385.36 = 158,206.24/x
  3. Step 3: Cross multiply
    557,555.68x = 836,385.36 × 158,206.24
  4. Step 4: Simplify right side
    557,555.68x = 132,321,382,996.65
  5. Step 5: Solve for x
    x = 132,321,382,996.65/557,555.68
  6. Step 6: Final answer
    x = 237,324.07

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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.