Home / 277,139.22-382,452.42-149,814.84

Finding the Fourth Proportional to 277,139.22, 382,452.42 and 149,814.84

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Solution

The fourth proportional to 277,139.22, 382,452.42 and 149,814.84 is: 206,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,139.22 : 382,452.42 = 149,814.84 : x
  2. Step 2: Convert to fraction form
    277,139.22/382,452.42 = 149,814.84/x
  3. Step 3: Cross multiply
    277,139.22x = 382,452.42 × 149,814.84
  4. Step 4: Simplify right side
    277,139.22x = 57,297,048,109.91
  5. Step 5: Solve for x
    x = 57,297,048,109.91/277,139.22
  6. Step 6: Final answer
    x = 206,744.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.