Home / 309,920.40-464,880.60-110,247.30

Finding the Fourth Proportional to 309,920.40, 464,880.60 and 110,247.30

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Solution

The fourth proportional to 309,920.40, 464,880.60 and 110,247.30 is: 165,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,920.40 : 464,880.60 = 110,247.30 : x
  2. Step 2: Convert to fraction form
    309,920.40/464,880.60 = 110,247.30/x
  3. Step 3: Cross multiply
    309,920.40x = 464,880.60 × 110,247.30
  4. Step 4: Simplify right side
    309,920.40x = 51,251,830,972.38
  5. Step 5: Solve for x
    x = 51,251,830,972.38/309,920.40
  6. Step 6: Final answer
    x = 165,370.95

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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.