Finding the Fourth Proportional to 160,618.68, 221,647.80 and 92,638.44
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Solution
The fourth proportional to 160,618.68, 221,647.80 and 92,638.44 is: 127,837.60
Step by Step Solution
- Step 1: Write the proportion equation
160,618.68 : 221,647.80 = 92,638.44 : x - Step 2: Convert to fraction form
160,618.68/221,647.80 = 92,638.44/x - Step 3: Cross multiply
160,618.68x = 221,647.80 × 92,638.44 - Step 4: Simplify right side
160,618.68x = 20,533,106,421.43 - Step 5: Solve for x
x = 20,533,106,421.43/160,618.68 - Step 6: Final answer
x = 127,837.60
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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.