Home / 642,045.84-963,067.55-192,765.98

Finding the Fourth Proportional to 642,045.84, 963,067.55 and 192,765.98

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Solution

The fourth proportional to 642,045.84, 963,067.55 and 192,765.98 is: 289,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,045.84 : 963,067.55 = 192,765.98 : x
  2. Step 2: Convert to fraction form
    642,045.84/963,067.55 = 192,765.98/x
  3. Step 3: Cross multiply
    642,045.84x = 963,067.55 × 192,765.98
  4. Step 4: Simplify right side
    642,045.84x = 185,646,654,302.78
  5. Step 5: Solve for x
    x = 185,646,654,302.78/642,045.84
  6. Step 6: Final answer
    x = 289,148.60

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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.