Finding the Fourth Proportional to 361,220.49, 541,853.82 and 121,324.68
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Solution
The fourth proportional to 361,220.49, 541,853.82 and 121,324.68 is: 181,994.77
Step by Step Solution
- Step 1: Write the proportion equation
361,220.49 : 541,853.82 = 121,324.68 : x - Step 2: Convert to fraction form
361,220.49/541,853.82 = 121,324.68/x - Step 3: Cross multiply
361,220.49x = 541,853.82 × 121,324.68 - Step 4: Simplify right side
361,220.49x = 65,740,241,318.28 - Step 5: Solve for x
x = 65,740,241,318.28/361,220.49 - Step 6: Final answer
x = 181,994.77
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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.