Finding the Fourth Proportional to 107,408.44, 161,071.26 and 40,813.48
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Solution
The fourth proportional to 107,408.44, 161,071.26 and 40,813.48 is: 61,204.49
Step by Step Solution
- Step 1: Write the proportion equation
107,408.44 : 161,071.26 = 40,813.48 : x - Step 2: Convert to fraction form
107,408.44/161,071.26 = 40,813.48/x - Step 3: Cross multiply
107,408.44x = 161,071.26 × 40,813.48 - Step 4: Simplify right side
107,408.44x = 6,573,878,648.58 - Step 5: Solve for x
x = 6,573,878,648.58/107,408.44 - Step 6: Final answer
x = 61,204.49
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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.