Home / 263,215.08-394,686-113,372.91

Finding the Fourth Proportional to 263,215.08, 394,686 and 113,372.91

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Solution

The fourth proportional to 263,215.08, 394,686 and 113,372.91 is: 170,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,215.08 : 394,686 = 113,372.91 : x
  2. Step 2: Convert to fraction form
    263,215.08/394,686 = 113,372.91/x
  3. Step 3: Cross multiply
    263,215.08x = 394,686 × 113,372.91
  4. Step 4: Simplify right side
    263,215.08x = 44,746,700,356.26
  5. Step 5: Solve for x
    x = 44,746,700,356.26/263,215.08
  6. Step 6: Final answer
    x = 170,000.52

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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.