Home / 242,748.46-335,136.38-215,816.41

Finding the Fourth Proportional to 242,748.46, 335,136.38 and 215,816.41

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Solution

The fourth proportional to 242,748.46, 335,136.38 and 215,816.41 is: 297,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,748.46 : 335,136.38 = 215,816.41 : x
  2. Step 2: Convert to fraction form
    242,748.46/335,136.38 = 215,816.41/x
  3. Step 3: Cross multiply
    242,748.46x = 335,136.38 × 215,816.41
  4. Step 4: Simplify right side
    242,748.46x = 72,327,928,475.07
  5. Step 5: Solve for x
    x = 72,327,928,475.07/242,748.46
  6. Step 6: Final answer
    x = 297,954.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.