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Finding the Fourth Proportional to 401,546.36, 601,136.13 and 351,723.77

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Solution

The fourth proportional to 401,546.36, 601,136.13 and 351,723.77 is: 526,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,546.36 : 601,136.13 = 351,723.77 : x
  2. Step 2: Convert to fraction form
    401,546.36/601,136.13 = 351,723.77/x
  3. Step 3: Cross multiply
    401,546.36x = 601,136.13 × 351,723.77
  4. Step 4: Simplify right side
    401,546.36x = 211,433,861,162.51
  5. Step 5: Solve for x
    x = 211,433,861,162.51/401,546.36
  6. Step 6: Final answer
    x = 526,549.07

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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.