Finding the Fourth Proportional to 298,921.44, 412,658.87 and 207,110.36
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Solution
The fourth proportional to 298,921.44, 412,658.87 and 207,110.36 is: 285,914.33
Step by Step Solution
- Step 1: Write the proportion equation
298,921.44 : 412,658.87 = 207,110.36 : x - Step 2: Convert to fraction form
298,921.44/412,658.87 = 207,110.36/x - Step 3: Cross multiply
298,921.44x = 412,658.87 × 207,110.36 - Step 4: Simplify right side
298,921.44x = 85,465,924,024.05 - Step 5: Solve for x
x = 85,465,924,024.05/298,921.44 - Step 6: Final answer
x = 285,914.33
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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.