Finding the Fourth Proportional to 177,939.05, 245,548.56 and 106,358.54
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Solution
The fourth proportional to 177,939.05, 245,548.56 and 106,358.54 is: 146,770.40
Step by Step Solution
- Step 1: Write the proportion equation
177,939.05 : 245,548.56 = 106,358.54 : x - Step 2: Convert to fraction form
177,939.05/245,548.56 = 106,358.54/x - Step 3: Cross multiply
177,939.05x = 245,548.56 × 106,358.54 - Step 4: Simplify right side
177,939.05x = 26,116,185,511.80 - Step 5: Solve for x
x = 26,116,185,511.80/177,939.05 - Step 6: Final answer
x = 146,770.40
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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.