Finding the Fourth Proportional to 155,832.96, 233,791.68 and 130,813.44
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Solution
The fourth proportional to 155,832.96, 233,791.68 and 130,813.44 is: 196,255.62
Step by Step Solution
- Step 1: Write the proportion equation
155,832.96 : 233,791.68 = 130,813.44 : x - Step 2: Convert to fraction form
155,832.96/233,791.68 = 130,813.44/x - Step 3: Cross multiply
155,832.96x = 233,791.68 × 130,813.44 - Step 4: Simplify right side
155,832.96x = 30,583,093,904.18 - Step 5: Solve for x
x = 30,583,093,904.18/155,832.96 - Step 6: Final answer
x = 196,255.62
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1.5x scale
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.