Home / 314,890.20-472,335.30-173,172.60

Finding the Fourth Proportional to 314,890.20, 472,335.30 and 173,172.60

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Solution

The fourth proportional to 314,890.20, 472,335.30 and 173,172.60 is: 259,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,890.20 : 472,335.30 = 173,172.60 : x
  2. Step 2: Convert to fraction form
    314,890.20/472,335.30 = 173,172.60/x
  3. Step 3: Cross multiply
    314,890.20x = 472,335.30 × 173,172.60
  4. Step 4: Simplify right side
    314,890.20x = 81,795,531,972.78
  5. Step 5: Solve for x
    x = 81,795,531,972.78/314,890.20
  6. Step 6: Final answer
    x = 259,758.90

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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.