Home / 331,336.90-497,005.35-242,107.30

Finding the Fourth Proportional to 331,336.90, 497,005.35 and 242,107.30

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Solution

The fourth proportional to 331,336.90, 497,005.35 and 242,107.30 is: 363,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,336.90 : 497,005.35 = 242,107.30 : x
  2. Step 2: Convert to fraction form
    331,336.90/497,005.35 = 242,107.30/x
  3. Step 3: Cross multiply
    331,336.90x = 497,005.35 × 242,107.30
  4. Step 4: Simplify right side
    331,336.90x = 120,328,623,374.06
  5. Step 5: Solve for x
    x = 120,328,623,374.06/331,336.90
  6. Step 6: Final answer
    x = 363,160.95

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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.