Finding the Fourth Proportional to 236,124.36, 325,842.08 and 128,692.08
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Solution
The fourth proportional to 236,124.36, 325,842.08 and 128,692.08 is: 177,589.87
Step by Step Solution
- Step 1: Write the proportion equation
236,124.36 : 325,842.08 = 128,692.08 : x - Step 2: Convert to fraction form
236,124.36/325,842.08 = 128,692.08/x - Step 3: Cross multiply
236,124.36x = 325,842.08 × 128,692.08 - Step 4: Simplify right side
236,124.36x = 41,933,294,383.27 - Step 5: Solve for x
x = 41,933,294,383.27/236,124.36 - Step 6: Final answer
x = 177,589.87
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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.