Home / 383,986.90-575,984.67-117,749.62

Finding the Fourth Proportional to 383,986.90, 575,984.67 and 117,749.62

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Solution

The fourth proportional to 383,986.90, 575,984.67 and 117,749.62 is: 176,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,986.90 : 575,984.67 = 117,749.62 : x
  2. Step 2: Convert to fraction form
    383,986.90/575,984.67 = 117,749.62/x
  3. Step 3: Cross multiply
    383,986.90x = 575,984.67 × 117,749.62
  4. Step 4: Simplify right side
    383,986.90x = 67,821,976,018.33
  5. Step 5: Solve for x
    x = 67,821,976,018.33/383,986.90
  6. Step 6: Final answer
    x = 176,625.75

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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.