Home / 355,985.55-491,256.30-192,638.48

Finding the Fourth Proportional to 355,985.55, 491,256.30 and 192,638.48

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Solution

The fourth proportional to 355,985.55, 491,256.30 and 192,638.48 is: 265,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,985.55 : 491,256.30 = 192,638.48 : x
  2. Step 2: Convert to fraction form
    355,985.55/491,256.30 = 192,638.48/x
  3. Step 3: Cross multiply
    355,985.55x = 491,256.30 × 192,638.48
  4. Step 4: Simplify right side
    355,985.55x = 94,634,865,188.54
  5. Step 5: Solve for x
    x = 94,634,865,188.54/355,985.55
  6. Step 6: Final answer
    x = 265,839.06

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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.