Finding the Fourth Proportional to 171,393.42, 236,276.43 and 120,247.68
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Solution
The fourth proportional to 171,393.42, 236,276.43 and 120,247.68 is: 165,768.86
Step by Step Solution
- Step 1: Write the proportion equation
171,393.42 : 236,276.43 = 120,247.68 : x - Step 2: Convert to fraction form
171,393.42/236,276.43 = 120,247.68/x - Step 3: Cross multiply
171,393.42x = 236,276.43 × 120,247.68 - Step 4: Simplify right side
171,393.42x = 28,411,692,546.18 - Step 5: Solve for x
x = 28,411,692,546.18/171,393.42 - Step 6: Final answer
x = 165,768.86
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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.