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Finding the Fourth Proportional to 334,072.52, 501,137.92 and 84,754.52

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Solution

The fourth proportional to 334,072.52, 501,137.92 and 84,754.52 is: 127,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,072.52 : 501,137.92 = 84,754.52 : x
  2. Step 2: Convert to fraction form
    334,072.52/501,137.92 = 84,754.52/x
  3. Step 3: Cross multiply
    334,072.52x = 501,137.92 × 84,754.52
  4. Step 4: Simplify right side
    334,072.52x = 42,473,703,863.40
  5. Step 5: Solve for x
    x = 42,473,703,863.40/334,072.52
  6. Step 6: Final answer
    x = 127,139.17

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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.