Finding the Fourth Proportional to 134,885.12, 202,327.54 and 40,114.91
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Solution
The fourth proportional to 134,885.12, 202,327.54 and 40,114.91 is: 60,172.33
Step by Step Solution
- Step 1: Write the proportion equation
134,885.12 : 202,327.54 = 40,114.91 : x - Step 2: Convert to fraction form
134,885.12/202,327.54 = 40,114.91/x - Step 3: Cross multiply
134,885.12x = 202,327.54 × 40,114.91 - Step 4: Simplify right side
134,885.12x = 8,116,351,463.15 - Step 5: Solve for x
x = 8,116,351,463.15/134,885.12 - Step 6: Final answer
x = 60,172.33
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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.