Home / 373,829.45-515,895.77-212,654.57

Finding the Fourth Proportional to 373,829.45, 515,895.77 and 212,654.57

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Solution

The fourth proportional to 373,829.45, 515,895.77 and 212,654.57 is: 293,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,829.45 : 515,895.77 = 212,654.57 : x
  2. Step 2: Convert to fraction form
    373,829.45/515,895.77 = 212,654.57/x
  3. Step 3: Cross multiply
    373,829.45x = 515,895.77 × 212,654.57
  4. Step 4: Simplify right side
    373,829.45x = 109,707,592,070.90
  5. Step 5: Solve for x
    x = 109,707,592,070.90/373,829.45
  6. Step 6: Final answer
    x = 293,469.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.