Home / 442,202.39-663,316.53-122,356.85

Finding the Fourth Proportional to 442,202.39, 663,316.53 and 122,356.85

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Solution

The fourth proportional to 442,202.39, 663,316.53 and 122,356.85 is: 183,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,202.39 : 663,316.53 = 122,356.85 : x
  2. Step 2: Convert to fraction form
    442,202.39/663,316.53 = 122,356.85/x
  3. Step 3: Cross multiply
    442,202.39x = 663,316.53 × 122,356.85
  4. Step 4: Simplify right side
    442,202.39x = 81,161,317,388.31
  5. Step 5: Solve for x
    x = 81,161,317,388.31/442,202.39
  6. Step 6: Final answer
    x = 183,538.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.