Finding the Fourth Proportional to 275,176.49, 412,737.09 and 75,516.98
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Solution
The fourth proportional to 275,176.49, 412,737.09 and 75,516.98 is: 113,267.88
Step by Step Solution
- Step 1: Write the proportion equation
275,176.49 : 412,737.09 = 75,516.98 : x - Step 2: Convert to fraction form
275,176.49/412,737.09 = 75,516.98/x - Step 3: Cross multiply
275,176.49x = 412,737.09 × 75,516.98 - Step 4: Simplify right side
275,176.49x = 31,168,658,570.79 - Step 5: Solve for x
x = 31,168,658,570.79/275,176.49 - Step 6: Final answer
x = 113,267.88
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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.