Home / 331,314.60-496,437.30-299,821.80

Finding the Fourth Proportional to 331,314.60, 496,437.30 and 299,821.80

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Solution

The fourth proportional to 331,314.60, 496,437.30 and 299,821.80 is: 449,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,314.60 : 496,437.30 = 299,821.80 : x
  2. Step 2: Convert to fraction form
    331,314.60/496,437.30 = 299,821.80/x
  3. Step 3: Cross multiply
    331,314.60x = 496,437.30 × 299,821.80
  4. Step 4: Simplify right side
    331,314.60x = 148,842,724,873.14
  5. Step 5: Solve for x
    x = 148,842,724,873.14/331,314.60
  6. Step 6: Final answer
    x = 449,248.92

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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.