Finding the Fourth Proportional to 135,886.88, 203,452.40 and 69,183.44
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Solution
The fourth proportional to 135,886.88, 203,452.40 and 69,183.44 is: 103,582.75
Step by Step Solution
- Step 1: Write the proportion equation
135,886.88 : 203,452.40 = 69,183.44 : x - Step 2: Convert to fraction form
135,886.88/203,452.40 = 69,183.44/x - Step 3: Cross multiply
135,886.88x = 203,452.40 × 69,183.44 - Step 4: Simplify right side
135,886.88x = 14,075,536,908.26 - Step 5: Solve for x
x = 14,075,536,908.26/135,886.88 - Step 6: Final answer
x = 103,582.75
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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.