Home / 671,668.20-1,007,267.10-198,228.20

Finding the Fourth Proportional to 671,668.20, 1,007,267.10 and 198,228.20

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Solution

The fourth proportional to 671,668.20, 1,007,267.10 and 198,228.20 is: 297,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,668.20 : 1,007,267.10 = 198,228.20 : x
  2. Step 2: Convert to fraction form
    671,668.20/1,007,267.10 = 198,228.20/x
  3. Step 3: Cross multiply
    671,668.20x = 1,007,267.10 × 198,228.20
  4. Step 4: Simplify right side
    671,668.20x = 199,668,744,152.22
  5. Step 5: Solve for x
    x = 199,668,744,152.22/671,668.20
  6. Step 6: Final answer
    x = 297,272.89

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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.