Finding the Fourth Proportional to 107,394.09, 161,029.40 and 44,257.80
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Solution
The fourth proportional to 107,394.09, 161,029.40 and 44,257.80 is: 66,361.26
Step by Step Solution
- Step 1: Write the proportion equation
107,394.09 : 161,029.40 = 44,257.80 : x - Step 2: Convert to fraction form
107,394.09/161,029.40 = 44,257.80/x - Step 3: Cross multiply
107,394.09x = 161,029.40 × 44,257.80 - Step 4: Simplify right side
107,394.09x = 7,126,807,089.96 - Step 5: Solve for x
x = 7,126,807,089.96/107,394.09 - Step 6: Final answer
x = 66,361.26
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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.