Finding the Fourth Proportional to 248,858.64, 343,432.44 and 135,683.28
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Solution
The fourth proportional to 248,858.64, 343,432.44 and 135,683.28 is: 187,247.02
Step by Step Solution
- Step 1: Write the proportion equation
248,858.64 : 343,432.44 = 135,683.28 : x - Step 2: Convert to fraction form
248,858.64/343,432.44 = 135,683.28/x - Step 3: Cross multiply
248,858.64x = 343,432.44 × 135,683.28 - Step 4: Simplify right side
248,858.64x = 46,598,039,917.60 - Step 5: Solve for x
x = 46,598,039,917.60/248,858.64 - Step 6: Final answer
x = 187,247.02
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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.