Finding the Fourth Proportional to 214,205.68, 295,596.84 and 129,307.96
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Solution
The fourth proportional to 214,205.68, 295,596.84 and 129,307.96 is: 178,440.76
Step by Step Solution
- Step 1: Write the proportion equation
214,205.68 : 295,596.84 = 129,307.96 : x - Step 2: Convert to fraction form
214,205.68/295,596.84 = 129,307.96/x - Step 3: Cross multiply
214,205.68x = 295,596.84 × 129,307.96 - Step 4: Simplify right side
214,205.68x = 38,223,024,362.85 - Step 5: Solve for x
x = 38,223,024,362.85/214,205.68 - Step 6: Final answer
x = 178,440.76
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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.