Finding the Fourth Proportional to 204,393.28, 306,478.74 and 71,237.80
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Solution
The fourth proportional to 204,393.28, 306,478.74 and 71,237.80 is: 106,817.95
Step by Step Solution
- Step 1: Write the proportion equation
204,393.28 : 306,478.74 = 71,237.80 : x - Step 2: Convert to fraction form
204,393.28/306,478.74 = 71,237.80/x - Step 3: Cross multiply
204,393.28x = 306,478.74 × 71,237.80 - Step 4: Simplify right side
204,393.28x = 21,832,871,184.37 - Step 5: Solve for x
x = 21,832,871,184.37/204,393.28 - Step 6: Final answer
x = 106,817.95
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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.