Finding the Fourth Proportional to 145,844.36, 201,257.98 and 82,186.26
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Solution
The fourth proportional to 145,844.36, 201,257.98 and 82,186.26 is: 113,412.96
Step by Step Solution
- Step 1: Write the proportion equation
145,844.36 : 201,257.98 = 82,186.26 : x - Step 2: Convert to fraction form
145,844.36/201,257.98 = 82,186.26/x - Step 3: Cross multiply
145,844.36x = 201,257.98 × 82,186.26 - Step 4: Simplify right side
145,844.36x = 16,540,640,671.35 - Step 5: Solve for x
x = 16,540,640,671.35/145,844.36 - Step 6: Final answer
x = 113,412.96
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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.