Finding the Fourth Proportional to 220,582.49, 330,873.80 and 54,370.49
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Solution
The fourth proportional to 220,582.49, 330,873.80 and 54,370.49 is: 81,555.75
Step by Step Solution
- Step 1: Write the proportion equation
220,582.49 : 330,873.80 = 54,370.49 : x - Step 2: Convert to fraction form
220,582.49/330,873.80 = 54,370.49/x - Step 3: Cross multiply
220,582.49x = 330,873.80 × 54,370.49 - Step 4: Simplify right side
220,582.49x = 17,989,771,393.38 - Step 5: Solve for x
x = 17,989,771,393.38/220,582.49 - Step 6: Final answer
x = 81,555.75
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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.