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Finding the Fourth Proportional to 401,335.77, 602,036.41 and 201,553.41

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Solution

The fourth proportional to 401,335.77, 602,036.41 and 201,553.41 is: 302,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,335.77 : 602,036.41 = 201,553.41 : x
  2. Step 2: Convert to fraction form
    401,335.77/602,036.41 = 201,553.41/x
  3. Step 3: Cross multiply
    401,335.77x = 602,036.41 × 201,553.41
  4. Step 4: Simplify right side
    401,335.77x = 121,342,488,369.48
  5. Step 5: Solve for x
    x = 121,342,488,369.48/401,335.77
  6. Step 6: Final answer
    x = 302,346.56

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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.