Home / 355,977.61-491,247.34-192,634

Finding the Fourth Proportional to 355,977.61, 491,247.34 and 192,634

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Solution

The fourth proportional to 355,977.61, 491,247.34 and 192,634 is: 265,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,977.61 : 491,247.34 = 192,634 : x
  2. Step 2: Convert to fraction form
    355,977.61/491,247.34 = 192,634/x
  3. Step 3: Cross multiply
    355,977.61x = 491,247.34 × 192,634
  4. Step 4: Simplify right side
    355,977.61x = 94,630,939,130.39
  5. Step 5: Solve for x
    x = 94,630,939,130.39/355,977.61
  6. Step 6: Final answer
    x = 265,833.96

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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.