Home / 548,150.70-821,569.95-281,774.10

Finding the Fourth Proportional to 548,150.70, 821,569.95 and 281,774.10

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Solution

The fourth proportional to 548,150.70, 821,569.95 and 281,774.10 is: 422,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,150.70 : 821,569.95 = 281,774.10 : x
  2. Step 2: Convert to fraction form
    548,150.70/821,569.95 = 281,774.10/x
  3. Step 3: Cross multiply
    548,150.70x = 821,569.95 × 281,774.10
  4. Step 4: Simplify right side
    548,150.70x = 231,497,133,248.30
  5. Step 5: Solve for x
    x = 231,497,133,248.30/548,150.70
  6. Step 6: Final answer
    x = 422,323.89

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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.