Home / 351,316.66-484,817.28-190,171.21

Finding the Fourth Proportional to 351,316.66, 484,817.28 and 190,171.21

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Solution

The fourth proportional to 351,316.66, 484,817.28 and 190,171.21 is: 262,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,316.66 : 484,817.28 = 190,171.21 : x
  2. Step 2: Convert to fraction form
    351,316.66/484,817.28 = 190,171.21/x
  3. Step 3: Cross multiply
    351,316.66x = 484,817.28 × 190,171.21
  4. Step 4: Simplify right side
    351,316.66x = 92,198,287,554.47
  5. Step 5: Solve for x
    x = 92,198,287,554.47/351,316.66
  6. Step 6: Final answer
    x = 262,436.42

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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.