Finding the Fourth Proportional to 392,019.63, 541,291.82 and 301,232.49
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Solution
The fourth proportional to 392,019.63, 541,291.82 and 301,232.49 is: 415,934.99
Step by Step Solution
- Step 1: Write the proportion equation
392,019.63 : 541,291.82 = 301,232.49 : x - Step 2: Convert to fraction form
392,019.63/541,291.82 = 301,232.49/x - Step 3: Cross multiply
392,019.63x = 541,291.82 × 301,232.49 - Step 4: Simplify right side
392,019.63x = 163,054,681,249.07 - Step 5: Solve for x
x = 163,054,681,249.07/392,019.63 - Step 6: Final answer
x = 415,934.99
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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.