Home / 447,788.25-617,938.94-243,841.59

Finding the Fourth Proportional to 447,788.25, 617,938.94 and 243,841.59

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Solution

The fourth proportional to 447,788.25, 617,938.94 and 243,841.59 is: 336,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,788.25 : 617,938.94 = 243,841.59 : x
  2. Step 2: Convert to fraction form
    447,788.25/617,938.94 = 243,841.59/x
  3. Step 3: Cross multiply
    447,788.25x = 617,938.94 × 243,841.59
  4. Step 4: Simplify right side
    447,788.25x = 150,679,214,262.12
  5. Step 5: Solve for x
    x = 150,679,214,262.12/447,788.25
  6. Step 6: Final answer
    x = 336,496.58

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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.