Finding the Fourth Proportional to 135,517.21, 203,303.08 and 46,774.15
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Solution
The fourth proportional to 135,517.21, 203,303.08 and 46,774.15 is: 70,170.64
Step by Step Solution
- Step 1: Write the proportion equation
135,517.21 : 203,303.08 = 46,774.15 : x - Step 2: Convert to fraction form
135,517.21/203,303.08 = 46,774.15/x - Step 3: Cross multiply
135,517.21x = 203,303.08 × 46,774.15 - Step 4: Simplify right side
135,517.21x = 9,509,328,759.38 - Step 5: Solve for x
x = 9,509,328,759.38/135,517.21 - Step 6: Final answer
x = 70,170.64
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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.