Finding the Fourth Proportional to 203,043.70, 304,565.55 and 92,235.70
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Solution
The fourth proportional to 203,043.70, 304,565.55 and 92,235.70 is: 138,353.55
Step by Step Solution
- Step 1: Write the proportion equation
203,043.70 : 304,565.55 = 92,235.70 : x - Step 2: Convert to fraction form
203,043.70/304,565.55 = 92,235.70/x - Step 3: Cross multiply
203,043.70x = 304,565.55 × 92,235.70 - Step 4: Simplify right side
203,043.70x = 28,091,816,700.14 - Step 5: Solve for x
x = 28,091,816,700.14/203,043.70 - Step 6: Final answer
x = 138,353.55
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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.