Finding the Fourth Proportional to 187,477.91, 281,261.42 and 61,118.99
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Solution
The fourth proportional to 187,477.91, 281,261.42 and 61,118.99 is: 91,693.01
Step by Step Solution
- Step 1: Write the proportion equation
187,477.91 : 281,261.42 = 61,118.99 : x - Step 2: Convert to fraction form
187,477.91/281,261.42 = 61,118.99/x - Step 3: Cross multiply
187,477.91x = 281,261.42 × 61,118.99 - Step 4: Simplify right side
187,477.91x = 17,190,414,543.12 - Step 5: Solve for x
x = 17,190,414,543.12/187,477.91 - Step 6: Final answer
x = 91,693.01
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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.