Finding the Fourth Proportional to 186,972.22, 258,024.99 and 106,391.26
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Solution
The fourth proportional to 186,972.22, 258,024.99 and 106,391.26 is: 146,821.83
Step by Step Solution
- Step 1: Write the proportion equation
186,972.22 : 258,024.99 = 106,391.26 : x - Step 2: Convert to fraction form
186,972.22/258,024.99 = 106,391.26/x - Step 3: Cross multiply
186,972.22x = 258,024.99 × 106,391.26 - Step 4: Simplify right side
186,972.22x = 27,451,603,797.59 - Step 5: Solve for x
x = 27,451,603,797.59/186,972.22 - Step 6: Final answer
x = 146,821.83
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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.