Finding the Fourth Proportional to 131,495.51, 197,249.14 and 40,304.19
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Solution
The fourth proportional to 131,495.51, 197,249.14 and 40,304.19 is: 60,458.09
Step by Step Solution
- Step 1: Write the proportion equation
131,495.51 : 197,249.14 = 40,304.19 : x - Step 2: Convert to fraction form
131,495.51/197,249.14 = 40,304.19/x - Step 3: Cross multiply
131,495.51x = 197,249.14 × 40,304.19 - Step 4: Simplify right side
131,495.51x = 7,949,967,051.20 - Step 5: Solve for x
x = 7,949,967,051.20/131,495.51 - Step 6: Final answer
x = 60,458.09
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1.5x scale
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.