Finding the Fourth Proportional to 146,722.70, 202,525.44 and 86,290.49
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Solution
The fourth proportional to 146,722.70, 202,525.44 and 86,290.49 is: 119,109.17
Step by Step Solution
- Step 1: Write the proportion equation
146,722.70 : 202,525.44 = 86,290.49 : x - Step 2: Convert to fraction form
146,722.70/202,525.44 = 86,290.49/x - Step 3: Cross multiply
146,722.70x = 202,525.44 × 86,290.49 - Step 4: Simplify right side
146,722.70x = 17,476,019,455.07 - Step 5: Solve for x
x = 17,476,019,455.07/146,722.70 - Step 6: Final answer
x = 119,109.17
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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.