Home / 263,315.08-395,011.50-76,302.28

Finding the Fourth Proportional to 263,315.08, 395,011.50 and 76,302.28

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Solution

The fourth proportional to 263,315.08, 395,011.50 and 76,302.28 is: 114,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,315.08 : 395,011.50 = 76,302.28 : x
  2. Step 2: Convert to fraction form
    263,315.08/395,011.50 = 76,302.28/x
  3. Step 3: Cross multiply
    263,315.08x = 395,011.50 × 76,302.28
  4. Step 4: Simplify right side
    263,315.08x = 30,140,278,076.22
  5. Step 5: Solve for x
    x = 30,140,278,076.22/263,315.08
  6. Step 6: Final answer
    x = 114,464.69

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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.