Finding the Fourth Proportional to 134,895.48, 202,343.10 and 40,125.28
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Solution
The fourth proportional to 134,895.48, 202,343.10 and 40,125.28 is: 60,187.88
Step by Step Solution
- Step 1: Write the proportion equation
134,895.48 : 202,343.10 = 40,125.28 : x - Step 2: Convert to fraction form
134,895.48/202,343.10 = 40,125.28/x - Step 3: Cross multiply
134,895.48x = 202,343.10 × 40,125.28 - Step 4: Simplify right side
134,895.48x = 8,119,073,543.57 - Step 5: Solve for x
x = 8,119,073,543.57/134,895.48 - Step 6: Final answer
x = 60,187.88
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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.