Home / 331,283.20-496,633.20-198,216.40

Finding the Fourth Proportional to 331,283.20, 496,633.20 and 198,216.40

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Solution

The fourth proportional to 331,283.20, 496,633.20 and 198,216.40 is: 297,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,283.20 : 496,633.20 = 198,216.40 : x
  2. Step 2: Convert to fraction form
    331,283.20/496,633.20 = 198,216.40/x
  3. Step 3: Cross multiply
    331,283.20x = 496,633.20 × 198,216.40
  4. Step 4: Simplify right side
    331,283.20x = 98,440,845,024.48
  5. Step 5: Solve for x
    x = 98,440,845,024.48/331,283.20
  6. Step 6: Final answer
    x = 297,150.13

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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.