Finding the Fourth Proportional to 248,962.44, 343,564.02 and 135,778.44
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Solution
The fourth proportional to 248,962.44, 343,564.02 and 135,778.44 is: 187,371.99
Step by Step Solution
- Step 1: Write the proportion equation
248,962.44 : 343,564.02 = 135,778.44 : x - Step 2: Convert to fraction form
248,962.44/343,564.02 = 135,778.44/x - Step 3: Cross multiply
248,962.44x = 343,564.02 × 135,778.44 - Step 4: Simplify right side
248,962.44x = 46,648,586,675.73 - Step 5: Solve for x
x = 46,648,586,675.73/248,962.44 - Step 6: Final answer
x = 187,371.99
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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.