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Finding the Fourth Proportional to 251,068.82, 376,602.48 and 206,603.06

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Solution

The fourth proportional to 251,068.82, 376,602.48 and 206,603.06 is: 309,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,068.82 : 376,602.48 = 206,603.06 : x
  2. Step 2: Convert to fraction form
    251,068.82/376,602.48 = 206,603.06/x
  3. Step 3: Cross multiply
    251,068.82x = 376,602.48 × 206,603.06
  4. Step 4: Simplify right side
    251,068.82x = 77,807,222,888.58
  5. Step 5: Solve for x
    x = 77,807,222,888.58/251,068.82
  6. Step 6: Final answer
    x = 309,903.97

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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.