Finding the Fourth Proportional to 274,911.36, 379,400.94 and 154,051.26
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Solution
The fourth proportional to 274,911.36, 379,400.94 and 154,051.26 is: 212,603.77
Step by Step Solution
- Step 1: Write the proportion equation
274,911.36 : 379,400.94 = 154,051.26 : x - Step 2: Convert to fraction form
274,911.36/379,400.94 = 154,051.26/x - Step 3: Cross multiply
274,911.36x = 379,400.94 × 154,051.26 - Step 4: Simplify right side
274,911.36x = 58,447,192,852.18 - Step 5: Solve for x
x = 58,447,192,852.18/274,911.36 - Step 6: Final answer
x = 212,603.77
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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.