Home / 294,271.83-406,217.16-198,907.70

Finding the Fourth Proportional to 294,271.83, 406,217.16 and 198,907.70

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Solution

The fourth proportional to 294,271.83, 406,217.16 and 198,907.70 is: 274,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,271.83 : 406,217.16 = 198,907.70 : x
  2. Step 2: Convert to fraction form
    294,271.83/406,217.16 = 198,907.70/x
  3. Step 3: Cross multiply
    294,271.83x = 406,217.16 × 198,907.70
  4. Step 4: Simplify right side
    294,271.83x = 80,799,718,965.05
  5. Step 5: Solve for x
    x = 80,799,718,965.05/294,271.83
  6. Step 6: Final answer
    x = 274,575.11

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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.