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Finding the Fourth Proportional to 341,615.49, 512,734.19 and 181,825.58

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Solution

The fourth proportional to 341,615.49, 512,734.19 and 181,825.58 is: 272,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,615.49 : 512,734.19 = 181,825.58 : x
  2. Step 2: Convert to fraction form
    341,615.49/512,734.19 = 181,825.58/x
  3. Step 3: Cross multiply
    341,615.49x = 512,734.19 × 181,825.58
  4. Step 4: Simplify right side
    341,615.49x = 93,228,188,009.78
  5. Step 5: Solve for x
    x = 93,228,188,009.78/341,615.49
  6. Step 6: Final answer
    x = 272,903.87

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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.