Home / 338,412.20-507,197.10-218,152.04

Finding the Fourth Proportional to 338,412.20, 507,197.10 and 218,152.04

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Solution

The fourth proportional to 338,412.20, 507,197.10 and 218,152.04 is: 326,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,412.20 : 507,197.10 = 218,152.04 : x
  2. Step 2: Convert to fraction form
    338,412.20/507,197.10 = 218,152.04/x
  3. Step 3: Cross multiply
    338,412.20x = 507,197.10 × 218,152.04
  4. Step 4: Simplify right side
    338,412.20x = 110,646,082,047.08
  5. Step 5: Solve for x
    x = 110,646,082,047.08/338,412.20
  6. Step 6: Final answer
    x = 326,956.54

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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.