Finding the Fourth Proportional to 151,068.51, 226,615.73 and 72,245.79
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Solution
The fourth proportional to 151,068.51, 226,615.73 and 72,245.79 is: 108,374.88
Step by Step Solution
- Step 1: Write the proportion equation
151,068.51 : 226,615.73 = 72,245.79 : x - Step 2: Convert to fraction form
151,068.51/226,615.73 = 72,245.79/x - Step 3: Cross multiply
151,068.51x = 226,615.73 × 72,245.79 - Step 4: Simplify right side
151,068.51x = 16,372,032,079.05 - Step 5: Solve for x
x = 16,372,032,079.05/151,068.51 - Step 6: Final answer
x = 108,374.88
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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.