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Finding the Fourth Proportional to 366,080.97, 549,238.09 and 291,489.69

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Solution

The fourth proportional to 366,080.97, 549,238.09 and 291,489.69 is: 437,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,080.97 : 549,238.09 = 291,489.69 : x
  2. Step 2: Convert to fraction form
    366,080.97/549,238.09 = 291,489.69/x
  3. Step 3: Cross multiply
    366,080.97x = 549,238.09 × 291,489.69
  4. Step 4: Simplify right side
    366,080.97x = 160,097,240,198.10
  5. Step 5: Solve for x
    x = 160,097,240,198.10/366,080.97
  6. Step 6: Final answer
    x = 437,327.41

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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.