Home / 383,814.40-574,987.20-206,262.40

Finding the Fourth Proportional to 383,814.40, 574,987.20 and 206,262.40

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Solution

The fourth proportional to 383,814.40, 574,987.20 and 206,262.40 is: 308,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,814.40 : 574,987.20 = 206,262.40 : x
  2. Step 2: Convert to fraction form
    383,814.40/574,987.20 = 206,262.40/x
  3. Step 3: Cross multiply
    383,814.40x = 574,987.20 × 206,262.40
  4. Step 4: Simplify right side
    383,814.40x = 118,598,239,841.28
  5. Step 5: Solve for x
    x = 118,598,239,841.28/383,814.40
  6. Step 6: Final answer
    x = 308,998.93

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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.