Finding the Fourth Proportional to 194,540.99, 268,466.56 and 105,116.99
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Solution
The fourth proportional to 194,540.99, 268,466.56 and 105,116.99 is: 145,061.44
Step by Step Solution
- Step 1: Write the proportion equation
194,540.99 : 268,466.56 = 105,116.99 : x - Step 2: Convert to fraction form
194,540.99/268,466.56 = 105,116.99/x - Step 3: Cross multiply
194,540.99x = 268,466.56 × 105,116.99 - Step 4: Simplify right side
194,540.99x = 28,220,395,360.52 - Step 5: Solve for x
x = 28,220,395,360.52/194,540.99 - Step 6: Final answer
x = 145,061.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.