Home / 447,141.28-617,066.64-245,942.56

Finding the Fourth Proportional to 447,141.28, 617,066.64 and 245,942.56

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Solution

The fourth proportional to 447,141.28, 617,066.64 and 245,942.56 is: 339,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,141.28 : 617,066.64 = 245,942.56 : x
  2. Step 2: Convert to fraction form
    447,141.28/617,066.64 = 245,942.56/x
  3. Step 3: Cross multiply
    447,141.28x = 617,066.64 × 245,942.56
  4. Step 4: Simplify right side
    447,141.28x = 151,762,949,132.20
  5. Step 5: Solve for x
    x = 151,762,949,132.20/447,141.28
  6. Step 6: Final answer
    x = 339,407.15

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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.