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Finding the Fourth Proportional to 264,308.58, 364,343.13 and 207,621.54

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Solution

The fourth proportional to 264,308.58, 364,343.13 and 207,621.54 is: 286,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,308.58 : 364,343.13 = 207,621.54 : x
  2. Step 2: Convert to fraction form
    264,308.58/364,343.13 = 207,621.54/x
  3. Step 3: Cross multiply
    264,308.58x = 364,343.13 × 207,621.54
  4. Step 4: Simplify right side
    264,308.58x = 75,645,481,739.02
  5. Step 5: Solve for x
    x = 75,645,481,739.02/264,308.58
  6. Step 6: Final answer
    x = 286,201.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.