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Finding the Fourth Proportional to 341,618.76, 512,494.02 and 104,919.48

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Solution

The fourth proportional to 341,618.76, 512,494.02 and 104,919.48 is: 157,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,618.76 : 512,494.02 = 104,919.48 : x
  2. Step 2: Convert to fraction form
    341,618.76/512,494.02 = 104,919.48/x
  3. Step 3: Cross multiply
    341,618.76x = 512,494.02 × 104,919.48
  4. Step 4: Simplify right side
    341,618.76x = 53,770,606,081.51
  5. Step 5: Solve for x
    x = 53,770,606,081.51/341,618.76
  6. Step 6: Final answer
    x = 157,399.45

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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.