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Finding the Fourth Proportional to 500,188.57, 750,423.29 and 200,879.19

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Solution

The fourth proportional to 500,188.57, 750,423.29 and 200,879.19 is: 301,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,188.57 : 750,423.29 = 200,879.19 : x
  2. Step 2: Convert to fraction form
    500,188.57/750,423.29 = 200,879.19/x
  3. Step 3: Cross multiply
    500,188.57x = 750,423.29 × 200,879.19
  4. Step 4: Simplify right side
    500,188.57x = 150,744,421,647.94
  5. Step 5: Solve for x
    x = 150,744,421,647.94/500,188.57
  6. Step 6: Final answer
    x = 301,375.18

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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.