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Finding the Fourth Proportional to 341,468.77, 512,204.37 and 104,811.47

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Solution

The fourth proportional to 341,468.77, 512,204.37 and 104,811.47 is: 157,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,468.77 : 512,204.37 = 104,811.47 : x
  2. Step 2: Convert to fraction form
    341,468.77/512,204.37 = 104,811.47/x
  3. Step 3: Cross multiply
    341,468.77x = 512,204.37 × 104,811.47
  4. Step 4: Simplify right side
    341,468.77x = 53,684,892,960.12
  5. Step 5: Solve for x
    x = 53,684,892,960.12/341,468.77
  6. Step 6: Final answer
    x = 157,217.58

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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.