Finding the Fourth Proportional to 236,252.94, 326,021.92 and 128,825.06
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Solution
The fourth proportional to 236,252.94, 326,021.92 and 128,825.06 is: 177,774.69
Step by Step Solution
- Step 1: Write the proportion equation
236,252.94 : 326,021.92 = 128,825.06 : x - Step 2: Convert to fraction form
236,252.94/326,021.92 = 128,825.06/x - Step 3: Cross multiply
236,252.94x = 326,021.92 × 128,825.06 - Step 4: Simplify right side
236,252.94x = 41,999,793,405.32 - Step 5: Solve for x
x = 41,999,793,405.32/236,252.94 - Step 6: Final answer
x = 177,774.69
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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.