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Finding the Fourth Proportional to 474,377.88, 654,637.62 and 259,519.71

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Solution

The fourth proportional to 474,377.88, 654,637.62 and 259,519.71 is: 358,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,377.88 : 654,637.62 = 259,519.71 : x
  2. Step 2: Convert to fraction form
    474,377.88/654,637.62 = 259,519.71/x
  3. Step 3: Cross multiply
    474,377.88x = 654,637.62 × 259,519.71
  4. Step 4: Simplify right side
    474,377.88x = 169,891,365,297.49
  5. Step 5: Solve for x
    x = 169,891,365,297.49/474,377.88
  6. Step 6: Final answer
    x = 358,135.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.