Finding the Fourth Proportional to 303,282.62, 418,537.59 and 187,021.70
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Solution
The fourth proportional to 303,282.62, 418,537.59 and 187,021.70 is: 258,094.62
Step by Step Solution
- Step 1: Write the proportion equation
303,282.62 : 418,537.59 = 187,021.70 : x - Step 2: Convert to fraction form
303,282.62/418,537.59 = 187,021.70/x - Step 3: Cross multiply
303,282.62x = 418,537.59 × 187,021.70 - Step 4: Simplify right side
303,282.62x = 78,275,611,595.70 - Step 5: Solve for x
x = 78,275,611,595.70/303,282.62 - Step 6: Final answer
x = 258,094.62
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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.