Finding the Fourth Proportional to 97,884.80, 146,827.20 and 27,763.20
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Solution
The fourth proportional to 97,884.80, 146,827.20 and 27,763.20 is: 41,644.80
Step by Step Solution
- Step 1: Write the proportion equation
97,884.80 : 146,827.20 = 27,763.20 : x - Step 2: Convert to fraction form
97,884.80/146,827.20 = 27,763.20/x - Step 3: Cross multiply
97,884.80x = 146,827.20 × 27,763.20 - Step 4: Simplify right side
97,884.80x = 4,076,392,919.04 - Step 5: Solve for x
x = 4,076,392,919.04/97,884.80 - Step 6: Final answer
x = 41,644.80
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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.