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Finding the Fourth Proportional to 273,068.66, 376,816.38 and 171,091.28

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Solution

The fourth proportional to 273,068.66, 376,816.38 and 171,091.28 is: 236,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,068.66 : 376,816.38 = 171,091.28 : x
  2. Step 2: Convert to fraction form
    273,068.66/376,816.38 = 171,091.28/x
  3. Step 3: Cross multiply
    273,068.66x = 376,816.38 × 171,091.28
  4. Step 4: Simplify right side
    273,068.66x = 64,469,996,779.17
  5. Step 5: Solve for x
    x = 64,469,996,779.17/273,068.66
  6. Step 6: Final answer
    x = 236,094.46

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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.