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Finding the Fourth Proportional to 262,853.54, 395,103.30 and 173,470.64

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Solution

The fourth proportional to 262,853.54, 395,103.30 and 173,470.64 is: 260,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.54 : 395,103.30 = 173,470.64 : x
  2. Step 2: Convert to fraction form
    262,853.54/395,103.30 = 173,470.64/x
  3. Step 3: Cross multiply
    262,853.54x = 395,103.30 × 173,470.64
  4. Step 4: Simplify right side
    262,853.54x = 68,538,822,317.11
  5. Step 5: Solve for x
    x = 68,538,822,317.11/262,853.54
  6. Step 6: Final answer
    x = 260,749.09

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1.5x scale

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.