Finding the Fourth Proportional to 135,935.20, 203,902.80 and 116,908.30
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Solution
The fourth proportional to 135,935.20, 203,902.80 and 116,908.30 is: 175,362.45
Step by Step Solution
- Step 1: Write the proportion equation
135,935.20 : 203,902.80 = 116,908.30 : x - Step 2: Convert to fraction form
135,935.20/203,902.80 = 116,908.30/x - Step 3: Cross multiply
135,935.20x = 203,902.80 × 116,908.30 - Step 4: Simplify right side
135,935.20x = 23,837,929,713.24 - Step 5: Solve for x
x = 23,837,929,713.24/135,935.20 - Step 6: Final answer
x = 175,362.45
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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.