Finding the Fourth Proportional to 702,201.80, 1,053,302.70 and 253,137.80
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Solution
The fourth proportional to 702,201.80, 1,053,302.70 and 253,137.80 is: 379,706.70
Step by Step Solution
- Step 1: Write the proportion equation
702,201.80 : 1,053,302.70 = 253,137.80 : x - Step 2: Convert to fraction form
702,201.80/1,053,302.70 = 253,137.80/x - Step 3: Cross multiply
702,201.80x = 1,053,302.70 × 253,137.80 - Step 4: Simplify right side
702,201.80x = 266,630,728,212.06 - Step 5: Solve for x
x = 266,630,728,212.06/702,201.80 - Step 6: Final answer
x = 379,706.70
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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.