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Finding the Fourth Proportional to 555,012.45, 832,008.38 and 199,939.64

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Solution

The fourth proportional to 555,012.45, 832,008.38 and 199,939.64 is: 299,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,012.45 : 832,008.38 = 199,939.64 : x
  2. Step 2: Convert to fraction form
    555,012.45/832,008.38 = 199,939.64/x
  3. Step 3: Cross multiply
    555,012.45x = 832,008.38 × 199,939.64
  4. Step 4: Simplify right side
    555,012.45x = 166,351,450,814.44
  5. Step 5: Solve for x
    x = 166,351,450,814.44/555,012.45
  6. Step 6: Final answer
    x = 299,725.62

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1.5x scale

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.