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Finding the Fourth Proportional to 255,589.03, 383,383.47 and 68,600.53

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Solution

The fourth proportional to 255,589.03, 383,383.47 and 68,600.53 is: 102,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,589.03 : 383,383.47 = 68,600.53 : x
  2. Step 2: Convert to fraction form
    255,589.03/383,383.47 = 68,600.53/x
  3. Step 3: Cross multiply
    255,589.03x = 383,383.47 × 68,600.53
  4. Step 4: Simplify right side
    255,589.03x = 26,300,309,235.24
  5. Step 5: Solve for x
    x = 26,300,309,235.24/255,589.03
  6. Step 6: Final answer
    x = 102,900.77

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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.