Finding the Fourth Proportional to 401,324.19, 602,048.48 and 135,063.96
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Solution
The fourth proportional to 401,324.19, 602,048.48 and 135,063.96 is: 202,616.87
Step by Step Solution
- Step 1: Write the proportion equation
401,324.19 : 602,048.48 = 135,063.96 : x - Step 2: Convert to fraction form
401,324.19/602,048.48 = 135,063.96/x - Step 3: Cross multiply
401,324.19x = 602,048.48 × 135,063.96 - Step 4: Simplify right side
401,324.19x = 81,315,051,145.46 - Step 5: Solve for x
x = 81,315,051,145.46/401,324.19 - Step 6: Final answer
x = 202,616.87
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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.