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Finding the Fourth Proportional to 401,255.40, 601,883.10 and 179,639.40

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Solution

The fourth proportional to 401,255.40, 601,883.10 and 179,639.40 is: 269,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,255.40 : 601,883.10 = 179,639.40 : x
  2. Step 2: Convert to fraction form
    401,255.40/601,883.10 = 179,639.40/x
  3. Step 3: Cross multiply
    401,255.40x = 601,883.10 × 179,639.40
  4. Step 4: Simplify right side
    401,255.40x = 108,121,918,954.14
  5. Step 5: Solve for x
    x = 108,121,918,954.14/401,255.40
  6. Step 6: Final answer
    x = 269,459.10

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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.