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Finding the Fourth Proportional to 404,230.03, 606,400.36 and 137,919.04

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Solution

The fourth proportional to 404,230.03, 606,400.36 and 137,919.04 is: 206,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,230.03 : 606,400.36 = 137,919.04 : x
  2. Step 2: Convert to fraction form
    404,230.03/606,400.36 = 137,919.04/x
  3. Step 3: Cross multiply
    404,230.03x = 606,400.36 × 137,919.04
  4. Step 4: Simplify right side
    404,230.03x = 83,634,153,646.06
  5. Step 5: Solve for x
    x = 83,634,153,646.06/404,230.03
  6. Step 6: Final answer
    x = 206,897.43

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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.