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Finding the Fourth Proportional to 608,367.33, 912,246.45 and 187,588.53

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Solution

The fourth proportional to 608,367.33, 912,246.45 and 187,588.53 is: 281,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,367.33 : 912,246.45 = 187,588.53 : x
  2. Step 2: Convert to fraction form
    608,367.33/912,246.45 = 187,588.53/x
  3. Step 3: Cross multiply
    608,367.33x = 912,246.45 × 187,588.53
  4. Step 4: Simplify right side
    608,367.33x = 171,126,970,553.22
  5. Step 5: Solve for x
    x = 171,126,970,553.22/608,367.33
  6. Step 6: Final answer
    x = 281,288.89

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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.