Home / 505,512.49-758,215.68-168,516.85

Finding the Fourth Proportional to 505,512.49, 758,215.68 and 168,516.85

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Solution

The fourth proportional to 505,512.49, 758,215.68 and 168,516.85 is: 252,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,512.49 : 758,215.68 = 168,516.85 : x
  2. Step 2: Convert to fraction form
    505,512.49/758,215.68 = 168,516.85/x
  3. Step 3: Cross multiply
    505,512.49x = 758,215.68 × 168,516.85
  4. Step 4: Simplify right side
    505,512.49x = 127,772,118,014.21
  5. Step 5: Solve for x
    x = 127,772,118,014.21/505,512.49
  6. Step 6: Final answer
    x = 252,757.59

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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.