Home / 383,136.80-573,721.05-303,748.70

Finding the Fourth Proportional to 383,136.80, 573,721.05 and 303,748.70

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Solution

The fourth proportional to 383,136.80, 573,721.05 and 303,748.70 is: 454,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,136.80 : 573,721.05 = 303,748.70 : x
  2. Step 2: Convert to fraction form
    383,136.80/573,721.05 = 303,748.70/x
  3. Step 3: Cross multiply
    383,136.80x = 573,721.05 × 303,748.70
  4. Step 4: Simplify right side
    383,136.80x = 174,267,023,100.14
  5. Step 5: Solve for x
    x = 174,267,023,100.14/383,136.80
  6. Step 6: Final answer
    x = 454,842.82

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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.