Home / 331,284.70-496,927.05-308,977.30

Finding the Fourth Proportional to 331,284.70, 496,927.05 and 308,977.30

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Solution

The fourth proportional to 331,284.70, 496,927.05 and 308,977.30 is: 463,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,284.70 : 496,927.05 = 308,977.30 : x
  2. Step 2: Convert to fraction form
    331,284.70/496,927.05 = 308,977.30/x
  3. Step 3: Cross multiply
    331,284.70x = 496,927.05 × 308,977.30
  4. Step 4: Simplify right side
    331,284.70x = 153,539,178,205.97
  5. Step 5: Solve for x
    x = 153,539,178,205.97/331,284.70
  6. Step 6: Final answer
    x = 463,465.95

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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.