Finding the Fourth Proportional to 131,837.62, 197,715.99 and 47,587.48
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Solution
The fourth proportional to 131,837.62, 197,715.99 and 47,587.48 is: 71,366.62
Step by Step Solution
- Step 1: Write the proportion equation
131,837.62 : 197,715.99 = 47,587.48 : x - Step 2: Convert to fraction form
131,837.62/197,715.99 = 47,587.48/x - Step 3: Cross multiply
131,837.62x = 197,715.99 × 47,587.48 - Step 4: Simplify right side
131,837.62x = 9,408,805,719.81 - Step 5: Solve for x
x = 9,408,805,719.81/131,837.62 - Step 6: Final answer
x = 71,366.62
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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.