Finding the Fourth Proportional to 135,388.64, 203,115.36 and 41,894.40
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Solution
The fourth proportional to 135,388.64, 203,115.36 and 41,894.40 is: 62,851.63
Step by Step Solution
- Step 1: Write the proportion equation
135,388.64 : 203,115.36 = 41,894.40 : x - Step 2: Convert to fraction form
135,388.64/203,115.36 = 41,894.40/x - Step 3: Cross multiply
135,388.64x = 203,115.36 × 41,894.40 - Step 4: Simplify right side
135,388.64x = 8,509,396,137.98 - Step 5: Solve for x
x = 8,509,396,137.98/135,388.64 - Step 6: Final answer
x = 62,851.63
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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.