Home / 488,091.78-673,573.82-281,246.14

Finding the Fourth Proportional to 488,091.78, 673,573.82 and 281,246.14

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Solution

The fourth proportional to 488,091.78, 673,573.82 and 281,246.14 is: 388,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,091.78 : 673,573.82 = 281,246.14 : x
  2. Step 2: Convert to fraction form
    488,091.78/673,573.82 = 281,246.14/x
  3. Step 3: Cross multiply
    488,091.78x = 673,573.82 × 281,246.14
  4. Step 4: Simplify right side
    488,091.78x = 189,440,036,880.06
  5. Step 5: Solve for x
    x = 189,440,036,880.06/488,091.78
  6. Step 6: Final answer
    x = 388,123.80

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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.