Home / 429,660.02-644,268.60-192,799.72

Finding the Fourth Proportional to 429,660.02, 644,268.60 and 192,799.72

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Solution

The fourth proportional to 429,660.02, 644,268.60 and 192,799.72 is: 289,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,660.02 : 644,268.60 = 192,799.72 : x
  2. Step 2: Convert to fraction form
    429,660.02/644,268.60 = 192,799.72/x
  3. Step 3: Cross multiply
    429,660.02x = 644,268.60 × 192,799.72
  4. Step 4: Simplify right side
    429,660.02x = 124,214,805,684.79
  5. Step 5: Solve for x
    x = 124,214,805,684.79/429,660.02
  6. Step 6: Final answer
    x = 289,100.22

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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.