Finding the Fourth Proportional to 291,221.08, 401,818.62 and 163,850.20
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Solution
The fourth proportional to 291,221.08, 401,818.62 and 163,850.20 is: 226,075.88
Step by Step Solution
- Step 1: Write the proportion equation
291,221.08 : 401,818.62 = 163,850.20 : x - Step 2: Convert to fraction form
291,221.08/401,818.62 = 163,850.20/x - Step 3: Cross multiply
291,221.08x = 401,818.62 × 163,850.20 - Step 4: Simplify right side
291,221.08x = 65,838,061,250.72 - Step 5: Solve for x
x = 65,838,061,250.72/291,221.08 - Step 6: Final answer
x = 226,075.88
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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.