Finding the Fourth Proportional to 291,212.08, 401,806.20 and 163,841.20
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Solution
The fourth proportional to 291,212.08, 401,806.20 and 163,841.20 is: 226,063.46
Step by Step Solution
- Step 1: Write the proportion equation
291,212.08 : 401,806.20 = 163,841.20 : x - Step 2: Convert to fraction form
291,212.08/401,806.20 = 163,841.20/x - Step 3: Cross multiply
291,212.08x = 401,806.20 × 163,841.20 - Step 4: Simplify right side
291,212.08x = 65,832,409,975.44 - Step 5: Solve for x
x = 65,832,409,975.44/291,212.08 - Step 6: Final answer
x = 226,063.46
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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.