Finding the Fourth Proportional to 197,830.26, 296,939.79 and 145,089.54
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Solution
The fourth proportional to 197,830.26, 296,939.79 and 145,089.54 is: 217,776.88
Step by Step Solution
- Step 1: Write the proportion equation
197,830.26 : 296,939.79 = 145,089.54 : x - Step 2: Convert to fraction form
197,830.26/296,939.79 = 145,089.54/x - Step 3: Cross multiply
197,830.26x = 296,939.79 × 145,089.54 - Step 4: Simplify right side
197,830.26x = 43,082,857,538.80 - Step 5: Solve for x
x = 43,082,857,538.80/197,830.26 - Step 6: Final answer
x = 217,776.88
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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.