Home / 283,072.19-390,575.40-206,632.94

Finding the Fourth Proportional to 283,072.19, 390,575.40 and 206,632.94

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Solution

The fourth proportional to 283,072.19, 390,575.40 and 206,632.94 is: 285,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,072.19 : 390,575.40 = 206,632.94 : x
  2. Step 2: Convert to fraction form
    283,072.19/390,575.40 = 206,632.94/x
  3. Step 3: Cross multiply
    283,072.19x = 390,575.40 × 206,632.94
  4. Step 4: Simplify right side
    283,072.19x = 80,705,743,193.68
  5. Step 5: Solve for x
    x = 80,705,743,193.68/283,072.19
  6. Step 6: Final answer
    x = 285,106.58

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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.