Home / 331,860.60-497,790.90-272,811.60

Finding the Fourth Proportional to 331,860.60, 497,790.90 and 272,811.60

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Solution

The fourth proportional to 331,860.60, 497,790.90 and 272,811.60 is: 409,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,860.60 : 497,790.90 = 272,811.60 : x
  2. Step 2: Convert to fraction form
    331,860.60/497,790.90 = 272,811.60/x
  3. Step 3: Cross multiply
    331,860.60x = 497,790.90 × 272,811.60
  4. Step 4: Simplify right side
    331,860.60x = 135,803,131,894.44
  5. Step 5: Solve for x
    x = 135,803,131,894.44/331,860.60
  6. Step 6: Final answer
    x = 409,217.40

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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.