Finding the Fourth Proportional to 134,885.68, 202,328.38 and 40,115.48
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Solution
The fourth proportional to 134,885.68, 202,328.38 and 40,115.48 is: 60,173.17
Step by Step Solution
- Step 1: Write the proportion equation
134,885.68 : 202,328.38 = 40,115.48 : x - Step 2: Convert to fraction form
134,885.68/202,328.38 = 40,115.48/x - Step 3: Cross multiply
134,885.68x = 202,328.38 × 40,115.48 - Step 4: Simplify right side
134,885.68x = 8,116,499,119.82 - Step 5: Solve for x
x = 8,116,499,119.82/134,885.68 - Step 6: Final answer
x = 60,173.17
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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.