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Finding the Fourth Proportional to 383,730.27, 575,666.48 and 130,996.90

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Solution

The fourth proportional to 383,730.27, 575,666.48 and 130,996.90 is: 196,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,730.27 : 575,666.48 = 130,996.90 : x
  2. Step 2: Convert to fraction form
    383,730.27/575,666.48 = 130,996.90/x
  3. Step 3: Cross multiply
    383,730.27x = 575,666.48 × 130,996.90
  4. Step 4: Simplify right side
    383,730.27x = 75,410,524,313.91
  5. Step 5: Solve for x
    x = 75,410,524,313.91/383,730.27
  6. Step 6: Final answer
    x = 196,519.61

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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.