Home / 496,146.30-684,624.84-281,243.58

Finding the Fourth Proportional to 496,146.30, 684,624.84 and 281,243.58

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Solution

The fourth proportional to 496,146.30, 684,624.84 and 281,243.58 is: 388,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,146.30 : 684,624.84 = 281,243.58 : x
  2. Step 2: Convert to fraction form
    496,146.30/684,624.84 = 281,243.58/x
  3. Step 3: Cross multiply
    496,146.30x = 684,624.84 × 281,243.58
  4. Step 4: Simplify right side
    496,146.30x = 192,546,340,958.53
  5. Step 5: Solve for x
    x = 192,546,340,958.53/496,146.30
  6. Step 6: Final answer
    x = 388,083.80

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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.