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Finding the Fourth Proportional to 366,101.98, 549,314.56 and 126,252.47

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Solution

The fourth proportional to 366,101.98, 549,314.56 and 126,252.47 is: 189,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,101.98 : 549,314.56 = 126,252.47 : x
  2. Step 2: Convert to fraction form
    366,101.98/549,314.56 = 126,252.47/x
  3. Step 3: Cross multiply
    366,101.98x = 549,314.56 × 126,252.47
  4. Step 4: Simplify right side
    366,101.98x = 69,352,321,538.07
  5. Step 5: Solve for x
    x = 69,352,321,538.07/366,101.98
  6. Step 6: Final answer
    x = 189,434.44

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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.