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Finding the Fourth Proportional to 202,213.60, 303,320.40 and 187,007.20

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Solution

The fourth proportional to 202,213.60, 303,320.40 and 187,007.20 is: 280,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213.60 : 303,320.40 = 187,007.20 : x
  2. Step 2: Convert to fraction form
    202,213.60/303,320.40 = 187,007.20/x
  3. Step 3: Cross multiply
    202,213.60x = 303,320.40 × 187,007.20
  4. Step 4: Simplify right side
    202,213.60x = 56,723,098,706.88
  5. Step 5: Solve for x
    x = 56,723,098,706.88/202,213.60
  6. Step 6: Final answer
    x = 280,510.80

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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.