Home / 429,056.26-643,791.75-176,523.10

Finding the Fourth Proportional to 429,056.26, 643,791.75 and 176,523.10

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Solution

The fourth proportional to 429,056.26, 643,791.75 and 176,523.10 is: 264,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,056.26 : 643,791.75 = 176,523.10 : x
  2. Step 2: Convert to fraction form
    429,056.26/643,791.75 = 176,523.10/x
  3. Step 3: Cross multiply
    429,056.26x = 643,791.75 × 176,523.10
  4. Step 4: Simplify right side
    429,056.26x = 113,644,115,464.43
  5. Step 5: Solve for x
    x = 113,644,115,464.43/429,056.26
  6. Step 6: Final answer
    x = 264,869.96

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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.