Finding the Fourth Proportional to 235,992.92, 325,668.96 and 128,562.70
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Solution
The fourth proportional to 235,992.92, 325,668.96 and 128,562.70 is: 177,415.83
Step by Step Solution
- Step 1: Write the proportion equation
235,992.92 : 325,668.96 = 128,562.70 : x - Step 2: Convert to fraction form
235,992.92/325,668.96 = 128,562.70/x - Step 3: Cross multiply
235,992.92x = 325,668.96 × 128,562.70 - Step 4: Simplify right side
235,992.92x = 41,868,880,803.79 - Step 5: Solve for x
x = 41,868,880,803.79/235,992.92 - Step 6: Final answer
x = 177,415.83
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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.