Home / 382,211.80-527,458.60-210,137.04

Finding the Fourth Proportional to 382,211.80, 527,458.60 and 210,137.04

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Solution

The fourth proportional to 382,211.80, 527,458.60 and 210,137.04 is: 289,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,211.80 : 527,458.60 = 210,137.04 : x
  2. Step 2: Convert to fraction form
    382,211.80/527,458.60 = 210,137.04/x
  3. Step 3: Cross multiply
    382,211.80x = 527,458.60 × 210,137.04
  4. Step 4: Simplify right side
    382,211.80x = 110,838,588,926.54
  5. Step 5: Solve for x
    x = 110,838,588,926.54/382,211.80
  6. Step 6: Final answer
    x = 289,992.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.