Finding the Fourth Proportional to 844,910.42, 1,267,351.70 and 205,219.40
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Solution
The fourth proportional to 844,910.42, 1,267,351.70 and 205,219.40 is: 307,825.71
Step by Step Solution
- Step 1: Write the proportion equation
844,910.42 : 1,267,351.70 = 205,219.40 : x - Step 2: Convert to fraction form
844,910.42/1,267,351.70 = 205,219.40/x - Step 3: Cross multiply
844,910.42x = 1,267,351.70 × 205,219.40 - Step 4: Simplify right side
844,910.42x = 260,085,148,100.13 - Step 5: Solve for x
x = 260,085,148,100.13/844,910.42 - Step 6: Final answer
x = 307,825.71
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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.