Finding the Fourth Proportional to 194,675.84, 292,013.76 and 68,415.20
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Solution
The fourth proportional to 194,675.84, 292,013.76 and 68,415.20 is: 102,622.80
Step by Step Solution
- Step 1: Write the proportion equation
194,675.84 : 292,013.76 = 68,415.20 : x - Step 2: Convert to fraction form
194,675.84/292,013.76 = 68,415.20/x - Step 3: Cross multiply
194,675.84x = 292,013.76 × 68,415.20 - Step 4: Simplify right side
194,675.84x = 19,978,179,793.15 - Step 5: Solve for x
x = 19,978,179,793.15/194,675.84 - Step 6: Final answer
x = 102,622.80
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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.