Finding the Fourth Proportional to 163,783.20, 226,002.48 and 92,161.68
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Solution
The fourth proportional to 163,783.20, 226,002.48 and 92,161.68 is: 127,172.80
Step by Step Solution
- Step 1: Write the proportion equation
163,783.20 : 226,002.48 = 92,161.68 : x - Step 2: Convert to fraction form
163,783.20/226,002.48 = 92,161.68/x - Step 3: Cross multiply
163,783.20x = 226,002.48 × 92,161.68 - Step 4: Simplify right side
163,783.20x = 20,828,768,240.97 - Step 5: Solve for x
x = 20,828,768,240.97/163,783.20 - Step 6: Final answer
x = 127,172.80
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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.