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Finding the Fourth Proportional to 383,189.36, 574,853.74 and 130,456.92

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Solution

The fourth proportional to 383,189.36, 574,853.74 and 130,456.92 is: 195,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,189.36 : 574,853.74 = 130,456.92 : x
  2. Step 2: Convert to fraction form
    383,189.36/574,853.74 = 130,456.92/x
  3. Step 3: Cross multiply
    383,189.36x = 574,853.74 × 130,456.92
  4. Step 4: Simplify right side
    383,189.36x = 74,993,648,370.88
  5. Step 5: Solve for x
    x = 74,993,648,370.88/383,189.36
  6. Step 6: Final answer
    x = 195,709.11

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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.