Finding the Fourth Proportional to 702,121.49, 1,053,225.99 and 281,342.69
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Solution
The fourth proportional to 702,121.49, 1,053,225.99 and 281,342.69 is: 422,031.56
Step by Step Solution
- Step 1: Write the proportion equation
702,121.49 : 1,053,225.99 = 281,342.69 : x - Step 2: Convert to fraction form
702,121.49/1,053,225.99 = 281,342.69/x - Step 3: Cross multiply
702,121.49x = 1,053,225.99 × 281,342.69 - Step 4: Simplify right side
702,121.49x = 296,317,427,938.38 - Step 5: Solve for x
x = 296,317,427,938.38/702,121.49 - Step 6: Final answer
x = 422,031.56
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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.