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Finding the Fourth Proportional to 341,551.89, 512,316.90 and 154,563.39

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Solution

The fourth proportional to 341,551.89, 512,316.90 and 154,563.39 is: 231,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,551.89 : 512,316.90 = 154,563.39 : x
  2. Step 2: Convert to fraction form
    341,551.89/512,316.90 = 154,563.39/x
  3. Step 3: Cross multiply
    341,551.89x = 512,316.90 × 154,563.39
  4. Step 4: Simplify right side
    341,551.89x = 79,185,436,818.29
  5. Step 5: Solve for x
    x = 79,185,436,818.29/341,551.89
  6. Step 6: Final answer
    x = 231,840.14

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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.