Finding the Fourth Proportional to 143,832.09, 215,772.36 and 43,968.95
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Solution
The fourth proportional to 143,832.09, 215,772.36 and 43,968.95 is: 65,960.83
Step by Step Solution
- Step 1: Write the proportion equation
143,832.09 : 215,772.36 = 43,968.95 : x - Step 2: Convert to fraction form
143,832.09/215,772.36 = 43,968.95/x - Step 3: Cross multiply
143,832.09x = 215,772.36 × 43,968.95 - Step 4: Simplify right side
143,832.09x = 9,487,284,108.22 - Step 5: Solve for x
x = 9,487,284,108.22/143,832.09 - Step 6: Final answer
x = 65,960.83
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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.