Home / 345,813.37-477,221.50-192,851.72

Finding the Fourth Proportional to 345,813.37, 477,221.50 and 192,851.72

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Solution

The fourth proportional to 345,813.37, 477,221.50 and 192,851.72 is: 266,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,813.37 : 477,221.50 = 192,851.72 : x
  2. Step 2: Convert to fraction form
    345,813.37/477,221.50 = 192,851.72/x
  3. Step 3: Cross multiply
    345,813.37x = 477,221.50 × 192,851.72
  4. Step 4: Simplify right side
    345,813.37x = 92,032,987,095.98
  5. Step 5: Solve for x
    x = 92,032,987,095.98/345,813.37
  6. Step 6: Final answer
    x = 266,134.84

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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.