Home / 396,275.10-594,448.29-111,969.15

Finding the Fourth Proportional to 396,275.10, 594,448.29 and 111,969.15

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Solution

The fourth proportional to 396,275.10, 594,448.29 and 111,969.15 is: 167,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,275.10 : 594,448.29 = 111,969.15 : x
  2. Step 2: Convert to fraction form
    396,275.10/594,448.29 = 111,969.15/x
  3. Step 3: Cross multiply
    396,275.10x = 594,448.29 × 111,969.15
  4. Step 4: Simplify right side
    396,275.10x = 66,559,869,750.25
  5. Step 5: Solve for x
    x = 66,559,869,750.25/396,275.10
  6. Step 6: Final answer
    x = 167,963.80

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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.