Finding the Fourth Proportional to 155,276.40, 232,768.80 and 121,523.70
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Solution
The fourth proportional to 155,276.40, 232,768.80 and 121,523.70 is: 182,171.44
Step by Step Solution
- Step 1: Write the proportion equation
155,276.40 : 232,768.80 = 121,523.70 : x - Step 2: Convert to fraction form
155,276.40/232,768.80 = 121,523.70/x - Step 3: Cross multiply
155,276.40x = 232,768.80 × 121,523.70 - Step 4: Simplify right side
155,276.40x = 28,286,925,820.56 - Step 5: Solve for x
x = 28,286,925,820.56/155,276.40 - Step 6: Final answer
x = 182,171.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.