Finding the Fourth Proportional to 236,122.20, 325,855.74 and 128,699.19
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Solution
The fourth proportional to 236,122.20, 325,855.74 and 128,699.19 is: 177,608.76
Step by Step Solution
- Step 1: Write the proportion equation
236,122.20 : 325,855.74 = 128,699.19 : x - Step 2: Convert to fraction form
236,122.20/325,855.74 = 128,699.19/x - Step 3: Cross multiply
236,122.20x = 325,855.74 × 128,699.19 - Step 4: Simplify right side
236,122.20x = 41,937,370,277.47 - Step 5: Solve for x
x = 41,937,370,277.47/236,122.20 - Step 6: Final answer
x = 177,608.76
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1.5x scale
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.