Finding the Fourth Proportional to 163,207.48, 244,614.36 and 84,278.68
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Solution
The fourth proportional to 163,207.48, 244,614.36 and 84,278.68 is: 126,316.36
Step by Step Solution
- Step 1: Write the proportion equation
163,207.48 : 244,614.36 = 84,278.68 : x - Step 2: Convert to fraction form
163,207.48/244,614.36 = 84,278.68/x - Step 3: Cross multiply
163,207.48x = 244,614.36 × 84,278.68 - Step 4: Simplify right side
163,207.48x = 20,615,775,369.84 - Step 5: Solve for x
x = 20,615,775,369.84/163,207.48 - Step 6: Final answer
x = 126,316.36
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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.