Home / 404,960.03-558,841.51-221,198.70

Finding the Fourth Proportional to 404,960.03, 558,841.51 and 221,198.70

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Solution

The fourth proportional to 404,960.03, 558,841.51 and 221,198.70 is: 305,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,960.03 : 558,841.51 = 221,198.70 : x
  2. Step 2: Convert to fraction form
    404,960.03/558,841.51 = 221,198.70/x
  3. Step 3: Cross multiply
    404,960.03x = 558,841.51 × 221,198.70
  4. Step 4: Simplify right side
    404,960.03x = 123,615,015,518.04
  5. Step 5: Solve for x
    x = 123,615,015,518.04/404,960.03
  6. Step 6: Final answer
    x = 305,252.39

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1.5x scale

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.