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Finding the Fourth Proportional to 284,556.33, 426,880.83 and 132,905.07

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Solution

The fourth proportional to 284,556.33, 426,880.83 and 132,905.07 is: 199,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,556.33 : 426,880.83 = 132,905.07 : x
  2. Step 2: Convert to fraction form
    284,556.33/426,880.83 = 132,905.07/x
  3. Step 3: Cross multiply
    284,556.33x = 426,880.83 × 132,905.07
  4. Step 4: Simplify right side
    284,556.33x = 56,734,626,592.81
  5. Step 5: Solve for x
    x = 56,734,626,592.81/284,556.33
  6. Step 6: Final answer
    x = 199,379.25

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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.