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Finding the Fourth Proportional to 636,858.65, 955,256.74 and 237,468.17

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Solution

The fourth proportional to 636,858.65, 955,256.74 and 237,468.17 is: 356,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,858.65 : 955,256.74 = 237,468.17 : x
  2. Step 2: Convert to fraction form
    636,858.65/955,256.74 = 237,468.17/x
  3. Step 3: Cross multiply
    636,858.65x = 955,256.74 × 237,468.17
  4. Step 4: Simplify right side
    636,858.65x = 226,843,071,722.44
  5. Step 5: Solve for x
    x = 226,843,071,722.44/636,858.65
  6. Step 6: Final answer
    x = 356,190.61

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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.