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Finding the Fourth Proportional to 340,016.68, 510,083.36 and 103,383.28

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Solution

The fourth proportional to 340,016.68, 510,083.36 and 103,383.28 is: 155,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,016.68 : 510,083.36 = 103,383.28 : x
  2. Step 2: Convert to fraction form
    340,016.68/510,083.36 = 103,383.28/x
  3. Step 3: Cross multiply
    340,016.68x = 510,083.36 × 103,383.28
  4. Step 4: Simplify right side
    340,016.68x = 52,734,090,830.22
  5. Step 5: Solve for x
    x = 52,734,090,830.22/340,016.68
  6. Step 6: Final answer
    x = 155,092.66

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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.