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Finding the Fourth Proportional to 602,618.82, 903,297.49 and 203,121.51

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Solution

The fourth proportional to 602,618.82, 903,297.49 and 203,121.51 is: 304,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,618.82 : 903,297.49 = 203,121.51 : x
  2. Step 2: Convert to fraction form
    602,618.82/903,297.49 = 203,121.51/x
  3. Step 3: Cross multiply
    602,618.82x = 903,297.49 × 203,121.51
  4. Step 4: Simplify right side
    602,618.82x = 183,479,146,252.84
  5. Step 5: Solve for x
    x = 183,479,146,252.84/602,618.82
  6. Step 6: Final answer
    x = 304,469.66

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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.