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Finding the Fourth Proportional to 351,075, 484,495.86 and 198,104.22

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Solution

The fourth proportional to 351,075, 484,495.86 and 198,104.22 is: 273,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,075 : 484,495.86 = 198,104.22 : x
  2. Step 2: Convert to fraction form
    351,075/484,495.86 = 198,104.22/x
  3. Step 3: Cross multiply
    351,075x = 484,495.86 × 198,104.22
  4. Step 4: Simplify right side
    351,075x = 95,980,674,438.53
  5. Step 5: Solve for x
    x = 95,980,674,438.53/351,075
  6. Step 6: Final answer
    x = 273,390.80

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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.