Finding the Fourth Proportional to 68,797.24, 103,195.98 and 18,878.02
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Solution
The fourth proportional to 68,797.24, 103,195.98 and 18,878.02 is: 28,317.06
Step by Step Solution
- Step 1: Write the proportion equation
68,797.24 : 103,195.98 = 18,878.02 : x - Step 2: Convert to fraction form
68,797.24/103,195.98 = 18,878.02/x - Step 3: Cross multiply
68,797.24x = 103,195.98 × 18,878.02 - Step 4: Simplify right side
68,797.24x = 1,948,135,774.36 - Step 5: Solve for x
x = 1,948,135,774.36/68,797.24 - Step 6: Final answer
x = 28,317.06
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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.