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Finding the Fourth Proportional to 366,883.80, 549,645.30 and 208,642.20

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Solution

The fourth proportional to 366,883.80, 549,645.30 and 208,642.20 is: 312,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,883.80 : 549,645.30 = 208,642.20 : x
  2. Step 2: Convert to fraction form
    366,883.80/549,645.30 = 208,642.20/x
  3. Step 3: Cross multiply
    366,883.80x = 549,645.30 × 208,642.20
  4. Step 4: Simplify right side
    366,883.80x = 114,679,204,611.66
  5. Step 5: Solve for x
    x = 114,679,204,611.66/366,883.80
  6. Step 6: Final answer
    x = 312,576.37

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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.