Home / 447,137.28-617,061.12-245,938.56

Finding the Fourth Proportional to 447,137.28, 617,061.12 and 245,938.56

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Solution

The fourth proportional to 447,137.28, 617,061.12 and 245,938.56 is: 339,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,137.28 : 617,061.12 = 245,938.56 : x
  2. Step 2: Convert to fraction form
    447,137.28/617,061.12 = 245,938.56/x
  3. Step 3: Cross multiply
    447,137.28x = 617,061.12 × 245,938.56
  4. Step 4: Simplify right side
    447,137.28x = 151,759,123,284.79
  5. Step 5: Solve for x
    x = 151,759,123,284.79/447,137.28
  6. Step 6: Final answer
    x = 339,401.63

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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.