Home / 270,021.10-404,772.45-210,016.30

Finding the Fourth Proportional to 270,021.10, 404,772.45 and 210,016.30

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Solution

The fourth proportional to 270,021.10, 404,772.45 and 210,016.30 is: 314,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,021.10 : 404,772.45 = 210,016.30 : x
  2. Step 2: Convert to fraction form
    270,021.10/404,772.45 = 210,016.30/x
  3. Step 3: Cross multiply
    270,021.10x = 404,772.45 × 210,016.30
  4. Step 4: Simplify right side
    270,021.10x = 85,008,812,290.94
  5. Step 5: Solve for x
    x = 85,008,812,290.94/270,021.10
  6. Step 6: Final answer
    x = 314,822.85

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1.5x scale

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.