Finding the Fourth Proportional to 298,239.33, 411,581.61 and 170,939.49
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Solution
The fourth proportional to 298,239.33, 411,581.61 and 170,939.49 is: 235,902.99
Step by Step Solution
- Step 1: Write the proportion equation
298,239.33 : 411,581.61 = 170,939.49 : x - Step 2: Convert to fraction form
298,239.33/411,581.61 = 170,939.49/x - Step 3: Cross multiply
298,239.33x = 411,581.61 × 170,939.49 - Step 4: Simplify right side
298,239.33x = 70,355,550,506.78 - Step 5: Solve for x
x = 70,355,550,506.78/298,239.33 - Step 6: Final answer
x = 235,902.99
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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.