Finding the Fourth Proportional to 131,557.31, 197,286.99 and 47,294.48
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Solution
The fourth proportional to 131,557.31, 197,286.99 and 47,294.48 is: 70,924.12
Step by Step Solution
- Step 1: Write the proportion equation
131,557.31 : 197,286.99 = 47,294.48 : x - Step 2: Convert to fraction form
131,557.31/197,286.99 = 47,294.48/x - Step 3: Cross multiply
131,557.31x = 197,286.99 × 47,294.48 - Step 4: Simplify right side
131,557.31x = 9,330,586,184.71 - Step 5: Solve for x
x = 9,330,586,184.71/131,557.31 - Step 6: Final answer
x = 70,924.12
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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.