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Finding the Fourth Proportional to 227,003.17, 340,386.52 and 84,731.46

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Solution

The fourth proportional to 227,003.17, 340,386.52 and 84,731.46 is: 127,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,003.17 : 340,386.52 = 84,731.46 : x
  2. Step 2: Convert to fraction form
    227,003.17/340,386.52 = 84,731.46/x
  3. Step 3: Cross multiply
    227,003.17x = 340,386.52 × 84,731.46
  4. Step 4: Simplify right side
    227,003.17x = 28,841,444,678.33
  5. Step 5: Solve for x
    x = 28,841,444,678.33/227,003.17
  6. Step 6: Final answer
    x = 127,053.05

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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.