Home / 527,221.10-790,668.07-190,217.97

Finding the Fourth Proportional to 527,221.10, 790,668.07 and 190,217.97

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Solution

The fourth proportional to 527,221.10, 790,668.07 and 190,217.97 is: 285,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,221.10 : 790,668.07 = 190,217.97 : x
  2. Step 2: Convert to fraction form
    527,221.10/790,668.07 = 190,217.97/x
  3. Step 3: Cross multiply
    527,221.10x = 790,668.07 × 190,217.97
  4. Step 4: Simplify right side
    527,221.10x = 150,399,274,743.67
  5. Step 5: Solve for x
    x = 150,399,274,743.67/527,221.10
  6. Step 6: Final answer
    x = 285,267.93

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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.