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Finding the Fourth Proportional to 351,484.08, 485,048.49 and 190,339.38

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Solution

The fourth proportional to 351,484.08, 485,048.49 and 190,339.38 is: 262,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,484.08 : 485,048.49 = 190,339.38 : x
  2. Step 2: Convert to fraction form
    351,484.08/485,048.49 = 190,339.38/x
  3. Step 3: Cross multiply
    351,484.08x = 485,048.49 × 190,339.38
  4. Step 4: Simplify right side
    351,484.08x = 92,323,828,856.54
  5. Step 5: Solve for x
    x = 92,323,828,856.54/351,484.08
  6. Step 6: Final answer
    x = 262,668.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.