Finding the Fourth Proportional to 298,747.80, 412,252.74 and 177,897.96
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Solution
The fourth proportional to 298,747.80, 412,252.74 and 177,897.96 is: 245,487.74
Step by Step Solution
- Step 1: Write the proportion equation
298,747.80 : 412,252.74 = 177,897.96 : x - Step 2: Convert to fraction form
298,747.80/412,252.74 = 177,897.96/x - Step 3: Cross multiply
298,747.80x = 412,252.74 × 177,897.96 - Step 4: Simplify right side
298,747.80x = 73,338,921,450.41 - Step 5: Solve for x
x = 73,338,921,450.41/298,747.80 - Step 6: Final answer
x = 245,487.74
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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.