Finding the Fourth Proportional to 146,851.20, 202,652.16 and 79,782.72
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Solution
The fourth proportional to 146,851.20, 202,652.16 and 79,782.72 is: 110,098.80
Step by Step Solution
- Step 1: Write the proportion equation
146,851.20 : 202,652.16 = 79,782.72 : x - Step 2: Convert to fraction form
146,851.20/202,652.16 = 79,782.72/x - Step 3: Cross multiply
146,851.20x = 202,652.16 × 79,782.72 - Step 4: Simplify right side
146,851.20x = 16,168,140,538.68 - Step 5: Solve for x
x = 16,168,140,538.68/146,851.20 - Step 6: Final answer
x = 110,098.80
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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.