Home / 338,074.20-507,392.87-178,207.56

Finding the Fourth Proportional to 338,074.20, 507,392.87 and 178,207.56

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Solution

The fourth proportional to 338,074.20, 507,392.87 and 178,207.56 is: 267,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,074.20 : 507,392.87 = 178,207.56 : x
  2. Step 2: Convert to fraction form
    338,074.20/507,392.87 = 178,207.56/x
  3. Step 3: Cross multiply
    338,074.20x = 507,392.87 × 178,207.56
  4. Step 4: Simplify right side
    338,074.20x = 90,421,244,433.06
  5. Step 5: Solve for x
    x = 90,421,244,433.06/338,074.20
  6. Step 6: Final answer
    x = 267,459.76

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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.