Home / 282,142.92-423,278.82-122,245.40

Finding the Fourth Proportional to 282,142.92, 423,278.82 and 122,245.40

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Solution

The fourth proportional to 282,142.92, 423,278.82 and 122,245.40 is: 183,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,142.92 : 423,278.82 = 122,245.40 : x
  2. Step 2: Convert to fraction form
    282,142.92/423,278.82 = 122,245.40/x
  3. Step 3: Cross multiply
    282,142.92x = 423,278.82 × 122,245.40
  4. Step 4: Simplify right side
    282,142.92x = 51,743,888,662.43
  5. Step 5: Solve for x
    x = 51,743,888,662.43/282,142.92
  6. Step 6: Final answer
    x = 183,396.02

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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.