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Finding the Fourth Proportional to 259,629.80, 364,006.60 and 259,629.80

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Solution

The fourth proportional to 259,629.80, 364,006.60 and 259,629.80 is: 364,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,629.80 : 364,006.60 = 259,629.80 : x
  2. Step 2: Convert to fraction form
    259,629.80/364,006.60 = 259,629.80/x
  3. Step 3: Cross multiply
    259,629.80x = 364,006.60 × 259,629.80
  4. Step 4: Simplify right side
    259,629.80x = 94,506,960,756.68
  5. Step 5: Solve for x
    x = 94,506,960,756.68/259,629.80
  6. Step 6: Final answer
    x = 364,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.