Finding the Fourth Proportional to 281,201.70, 421,802.55 and 281,201.70
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Solution
The fourth proportional to 281,201.70, 421,802.55 and 281,201.70 is: 421,802.55
Step by Step Solution
- Step 1: Write the proportion equation
281,201.70 : 421,802.55 = 281,201.70 : x - Step 2: Convert to fraction form
281,201.70/421,802.55 = 281,201.70/x - Step 3: Cross multiply
281,201.70x = 421,802.55 × 281,201.70 - Step 4: Simplify right side
281,201.70x = 118,611,594,124.34 - Step 5: Solve for x
x = 118,611,594,124.34/281,201.70 - Step 6: Final answer
x = 421,802.55
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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.