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Finding the Fourth Proportional to 437,152.66, 655,269.54 and 200,300.56

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Solution

The fourth proportional to 437,152.66, 655,269.54 and 200,300.56 is: 300,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,152.66 : 655,269.54 = 200,300.56 : x
  2. Step 2: Convert to fraction form
    437,152.66/655,269.54 = 200,300.56/x
  3. Step 3: Cross multiply
    437,152.66x = 655,269.54 × 200,300.56
  4. Step 4: Simplify right side
    437,152.66x = 131,250,855,812.94
  5. Step 5: Solve for x
    x = 131,250,855,812.94/437,152.66
  6. Step 6: Final answer
    x = 300,240.32

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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.