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Finding the Fourth Proportional to 401,368.35, 601,975.95 and 201,633.29

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Solution

The fourth proportional to 401,368.35, 601,975.95 and 201,633.29 is: 302,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,368.35 : 601,975.95 = 201,633.29 : x
  2. Step 2: Convert to fraction form
    401,368.35/601,975.95 = 201,633.29/x
  3. Step 3: Cross multiply
    401,368.35x = 601,975.95 × 201,633.29
  4. Step 4: Simplify right side
    401,368.35x = 121,378,391,299.38
  5. Step 5: Solve for x
    x = 121,378,391,299.38/401,368.35
  6. Step 6: Final answer
    x = 302,411.47

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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.