Home / 281,306.66-388,169.10-224,091.74

Finding the Fourth Proportional to 281,306.66, 388,169.10 and 224,091.74

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Solution

The fourth proportional to 281,306.66, 388,169.10 and 224,091.74 is: 309,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,306.66 : 388,169.10 = 224,091.74 : x
  2. Step 2: Convert to fraction form
    281,306.66/388,169.10 = 224,091.74/x
  3. Step 3: Cross multiply
    281,306.66x = 388,169.10 × 224,091.74
  4. Step 4: Simplify right side
    281,306.66x = 86,985,489,033.23
  5. Step 5: Solve for x
    x = 86,985,489,033.23/281,306.66
  6. Step 6: Final answer
    x = 309,219.44

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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.