Finding the Fourth Proportional to 204,221.19, 306,331.92 and 63,990.75
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Solution
The fourth proportional to 204,221.19, 306,331.92 and 63,990.75 is: 95,986.17
Step by Step Solution
- Step 1: Write the proportion equation
204,221.19 : 306,331.92 = 63,990.75 : x - Step 2: Convert to fraction form
204,221.19/306,331.92 = 63,990.75/x - Step 3: Cross multiply
204,221.19x = 306,331.92 × 63,990.75 - Step 4: Simplify right side
204,221.19x = 19,602,409,309.74 - Step 5: Solve for x
x = 19,602,409,309.74/204,221.19 - Step 6: Final answer
x = 95,986.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.