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Finding the Fourth Proportional to 270,019.10, 404,769.45 and 210,014.30

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Solution

The fourth proportional to 270,019.10, 404,769.45 and 210,014.30 is: 314,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,019.10 : 404,769.45 = 210,014.30 : x
  2. Step 2: Convert to fraction form
    270,019.10/404,769.45 = 210,014.30/x
  3. Step 3: Cross multiply
    270,019.10x = 404,769.45 × 210,014.30
  4. Step 4: Simplify right side
    270,019.10x = 85,007,372,703.14
  5. Step 5: Solve for x
    x = 85,007,372,703.14/270,019.10
  6. Step 6: Final answer
    x = 314,819.85

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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.