Finding the Fourth Proportional to 163,291.48, 244,902.66 and 74,486.68
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Solution
The fourth proportional to 163,291.48, 244,902.66 and 74,486.68 is: 111,714.26
Step by Step Solution
- Step 1: Write the proportion equation
163,291.48 : 244,902.66 = 74,486.68 : x - Step 2: Convert to fraction form
163,291.48/244,902.66 = 74,486.68/x - Step 3: Cross multiply
163,291.48x = 244,902.66 × 74,486.68 - Step 4: Simplify right side
163,291.48x = 18,241,986,066.57 - Step 5: Solve for x
x = 18,241,986,066.57/163,291.48 - Step 6: Final answer
x = 111,714.26
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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.