Home / 263,273.10-394,909.65-156,984.90

Finding the Fourth Proportional to 263,273.10, 394,909.65 and 156,984.90

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Solution

The fourth proportional to 263,273.10, 394,909.65 and 156,984.90 is: 235,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,273.10 : 394,909.65 = 156,984.90 : x
  2. Step 2: Convert to fraction form
    263,273.10/394,909.65 = 156,984.90/x
  3. Step 3: Cross multiply
    263,273.10x = 394,909.65 × 156,984.90
  4. Step 4: Simplify right side
    263,273.10x = 61,994,851,914.29
  5. Step 5: Solve for x
    x = 61,994,851,914.29/263,273.10
  6. Step 6: Final answer
    x = 235,477.35

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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.