Finding the Fourth Proportional to 171,683.44, 236,818.50 and 113,540.08
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Solution
The fourth proportional to 171,683.44, 236,818.50 and 113,540.08 is: 156,616.10
Step by Step Solution
- Step 1: Write the proportion equation
171,683.44 : 236,818.50 = 113,540.08 : x - Step 2: Convert to fraction form
171,683.44/236,818.50 = 113,540.08/x - Step 3: Cross multiply
171,683.44x = 236,818.50 × 113,540.08 - Step 4: Simplify right side
171,683.44x = 26,888,391,435.48 - Step 5: Solve for x
x = 26,888,391,435.48/171,683.44 - Step 6: Final answer
x = 156,616.10
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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.