Finding the Fourth Proportional to 147,321.84, 203,304.18 and 80,253.84
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Solution
The fourth proportional to 147,321.84, 203,304.18 and 80,253.84 is: 110,750.32
Step by Step Solution
- Step 1: Write the proportion equation
147,321.84 : 203,304.18 = 80,253.84 : x - Step 2: Convert to fraction form
147,321.84/203,304.18 = 80,253.84/x - Step 3: Cross multiply
147,321.84x = 203,304.18 × 80,253.84 - Step 4: Simplify right side
147,321.84x = 16,315,941,133.05 - Step 5: Solve for x
x = 16,315,941,133.05/147,321.84 - Step 6: Final answer
x = 110,750.32
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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.