Finding the Fourth Proportional to 258,203.53, 386,586.99 and 131,570.76
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Solution
The fourth proportional to 258,203.53, 386,586.99 and 131,570.76 is: 196,990.12
Step by Step Solution
- Step 1: Write the proportion equation
258,203.53 : 386,586.99 = 131,570.76 : x - Step 2: Convert to fraction form
258,203.53/386,586.99 = 131,570.76/x - Step 3: Cross multiply
258,203.53x = 386,586.99 × 131,570.76 - Step 4: Simplify right side
258,203.53x = 50,863,545,530.11 - Step 5: Solve for x
x = 50,863,545,530.11/258,203.53 - Step 6: Final answer
x = 196,990.12
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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.