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Finding the Fourth Proportional to 637,388.88, 956,109.84 and 188,109.84

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Solution

The fourth proportional to 637,388.88, 956,109.84 and 188,109.84 is: 282,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,388.88 : 956,109.84 = 188,109.84 : x
  2. Step 2: Convert to fraction form
    637,388.88/956,109.84 = 188,109.84/x
  3. Step 3: Cross multiply
    637,388.88x = 956,109.84 × 188,109.84
  4. Step 4: Simplify right side
    637,388.88x = 179,853,669,024.83
  5. Step 5: Solve for x
    x = 179,853,669,024.83/637,388.88
  6. Step 6: Final answer
    x = 282,172.59

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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.