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Finding the Fourth Proportional to 366,980.84, 549,754.26 and 252,859.56

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Solution

The fourth proportional to 366,980.84, 549,754.26 and 252,859.56 is: 378,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.84 : 549,754.26 = 252,859.56 : x
  2. Step 2: Convert to fraction form
    366,980.84/549,754.26 = 252,859.56/x
  3. Step 3: Cross multiply
    366,980.84x = 549,754.26 × 252,859.56
  4. Step 4: Simplify right side
    366,980.84x = 139,010,620,291.73
  5. Step 5: Solve for x
    x = 139,010,620,291.73/366,980.84
  6. Step 6: Final answer
    x = 378,795.31

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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.