Home / 320,170.42-479,873.91-149,162.74

Finding the Fourth Proportional to 320,170.42, 479,873.91 and 149,162.74

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Solution

The fourth proportional to 320,170.42, 479,873.91 and 149,162.74 is: 223,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,170.42 : 479,873.91 = 149,162.74 : x
  2. Step 2: Convert to fraction form
    320,170.42/479,873.91 = 149,162.74/x
  3. Step 3: Cross multiply
    320,170.42x = 479,873.91 × 149,162.74
  4. Step 4: Simplify right side
    320,170.42x = 71,579,307,270.11
  5. Step 5: Solve for x
    x = 71,579,307,270.11/320,170.42
  6. Step 6: Final answer
    x = 223,566.27

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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.