Home / 263,314.08-395,010-76,301.28

Finding the Fourth Proportional to 263,314.08, 395,010 and 76,301.28

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Solution

The fourth proportional to 263,314.08, 395,010 and 76,301.28 is: 114,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314.08 : 395,010 = 76,301.28 : x
  2. Step 2: Convert to fraction form
    263,314.08/395,010 = 76,301.28/x
  3. Step 3: Cross multiply
    263,314.08x = 395,010 × 76,301.28
  4. Step 4: Simplify right side
    263,314.08x = 30,139,768,612.80
  5. Step 5: Solve for x
    x = 30,139,768,612.80/263,314.08
  6. Step 6: Final answer
    x = 114,463.19

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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.