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Finding the Fourth Proportional to 199,779, 275,695.02 and 110,355

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Solution

The fourth proportional to 199,779, 275,695.02 and 110,355 is: 152,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,779 : 275,695.02 = 110,355 : x
  2. Step 2: Convert to fraction form
    199,779/275,695.02 = 110,355/x
  3. Step 3: Cross multiply
    199,779x = 275,695.02 × 110,355
  4. Step 4: Simplify right side
    199,779x = 30,424,323,932.10
  5. Step 5: Solve for x
    x = 30,424,323,932.10/199,779
  6. Step 6: Final answer
    x = 152,289.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.