Home / 447,340.83-617,311.94-243,392.58

Finding the Fourth Proportional to 447,340.83, 617,311.94 and 243,392.58

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Solution

The fourth proportional to 447,340.83, 617,311.94 and 243,392.58 is: 335,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,340.83 : 617,311.94 = 243,392.58 : x
  2. Step 2: Convert to fraction form
    447,340.83/617,311.94 = 243,392.58/x
  3. Step 3: Cross multiply
    447,340.83x = 617,311.94 × 243,392.58
  4. Step 4: Simplify right side
    447,340.83x = 150,249,144,524.44
  5. Step 5: Solve for x
    x = 150,249,144,524.44/447,340.83
  6. Step 6: Final answer
    x = 335,871.75

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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.