Finding the Fourth Proportional to 235,892.35, 325,537.28 and 128,468.23
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Solution
The fourth proportional to 235,892.35, 325,537.28 and 128,468.23 is: 177,289.33
Step by Step Solution
- Step 1: Write the proportion equation
235,892.35 : 325,537.28 = 128,468.23 : x - Step 2: Convert to fraction form
235,892.35/325,537.28 = 128,468.23/x - Step 3: Cross multiply
235,892.35x = 325,537.28 × 128,468.23 - Step 4: Simplify right side
235,892.35x = 41,821,197,186.19 - Step 5: Solve for x
x = 41,821,197,186.19/235,892.35 - Step 6: Final answer
x = 177,289.33
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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.