Home / 429,766.97-643,764.51-251,734.23

Finding the Fourth Proportional to 429,766.97, 643,764.51 and 251,734.23

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Solution

The fourth proportional to 429,766.97, 643,764.51 and 251,734.23 is: 377,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,766.97 : 643,764.51 = 251,734.23 : x
  2. Step 2: Convert to fraction form
    429,766.97/643,764.51 = 251,734.23/x
  3. Step 3: Cross multiply
    429,766.97x = 643,764.51 × 251,734.23
  4. Step 4: Simplify right side
    429,766.97x = 162,057,563,226.18
  5. Step 5: Solve for x
    x = 162,057,563,226.18/429,766.97
  6. Step 6: Final answer
    x = 377,082.41

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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.