Home / 383,964.09-575,968.61-117,727.21

Finding the Fourth Proportional to 383,964.09, 575,968.61 and 117,727.21

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Solution

The fourth proportional to 383,964.09, 575,968.61 and 117,727.21 is: 176,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,964.09 : 575,968.61 = 117,727.21 : x
  2. Step 2: Convert to fraction form
    383,964.09/575,968.61 = 117,727.21/x
  3. Step 3: Cross multiply
    383,964.09x = 575,968.61 × 117,727.21
  4. Step 4: Simplify right side
    383,964.09x = 67,807,177,502.88
  5. Step 5: Solve for x
    x = 67,807,177,502.88/383,964.09
  6. Step 6: Final answer
    x = 176,597.71

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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.