Finding the Fourth Proportional to 341,638.70, 471,351.76 and 190,706.54
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Solution
The fourth proportional to 341,638.70, 471,351.76 and 190,706.54 is: 263,113.82
Step by Step Solution
- Step 1: Write the proportion equation
341,638.70 : 471,351.76 = 190,706.54 : x - Step 2: Convert to fraction form
341,638.70/471,351.76 = 190,706.54/x - Step 3: Cross multiply
341,638.70x = 471,351.76 × 190,706.54 - Step 4: Simplify right side
341,638.70x = 89,889,860,438.99 - Step 5: Solve for x
x = 89,889,860,438.99/341,638.70 - Step 6: Final answer
x = 263,113.82
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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.