Finding the Fourth Proportional to 202,129.70, 302,611.35 and 202,129.70
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Solution
The fourth proportional to 202,129.70, 302,611.35 and 202,129.70 is: 302,611.35
Step by Step Solution
- Step 1: Write the proportion equation
202,129.70 : 302,611.35 = 202,129.70 : x - Step 2: Convert to fraction form
202,129.70/302,611.35 = 202,129.70/x - Step 3: Cross multiply
202,129.70x = 302,611.35 × 202,129.70 - Step 4: Simplify right side
202,129.70x = 61,166,741,392.10 - Step 5: Solve for x
x = 61,166,741,392.10/202,129.70 - Step 6: Final answer
x = 302,611.35
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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.