Finding the Fourth Proportional to 218,926.74, 327,898.02 and 133,305.69
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Solution
The fourth proportional to 218,926.74, 327,898.02 and 133,305.69 is: 199,658.90
Step by Step Solution
- Step 1: Write the proportion equation
218,926.74 : 327,898.02 = 133,305.69 : x - Step 2: Convert to fraction form
218,926.74/327,898.02 = 133,305.69/x - Step 3: Cross multiply
218,926.74x = 327,898.02 × 133,305.69 - Step 4: Simplify right side
218,926.74x = 43,710,671,805.73 - Step 5: Solve for x
x = 43,710,671,805.73/218,926.74 - Step 6: Final answer
x = 199,658.90
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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.