Home / 429,468.73-644,060.03-173,235.12

Finding the Fourth Proportional to 429,468.73, 644,060.03 and 173,235.12

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Solution

The fourth proportional to 429,468.73, 644,060.03 and 173,235.12 is: 259,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,468.73 : 644,060.03 = 173,235.12 : x
  2. Step 2: Convert to fraction form
    429,468.73/644,060.03 = 173,235.12/x
  3. Step 3: Cross multiply
    429,468.73x = 644,060.03 × 173,235.12
  4. Step 4: Simplify right side
    429,468.73x = 111,573,813,302.85
  5. Step 5: Solve for x
    x = 111,573,813,302.85/429,468.73
  6. Step 6: Final answer
    x = 259,794.97

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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.