Finding the Fourth Proportional to 171,736.18, 236,998.38 and 103,743.71
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Solution
The fourth proportional to 171,736.18, 236,998.38 and 103,743.71 is: 143,167.80
Step by Step Solution
- Step 1: Write the proportion equation
171,736.18 : 236,998.38 = 103,743.71 : x - Step 2: Convert to fraction form
171,736.18/236,998.38 = 103,743.71/x - Step 3: Cross multiply
171,736.18x = 236,998.38 × 103,743.71 - Step 4: Simplify right side
171,736.18x = 24,587,091,205.19 - Step 5: Solve for x
x = 24,587,091,205.19/171,736.18 - Step 6: Final answer
x = 143,167.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.