Finding the Fourth Proportional to 136,328.13, 204,492.29 and 65,234.09
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Solution
The fourth proportional to 136,328.13, 204,492.29 and 65,234.09 is: 97,851.18
Step by Step Solution
- Step 1: Write the proportion equation
136,328.13 : 204,492.29 = 65,234.09 : x - Step 2: Convert to fraction form
136,328.13/204,492.29 = 65,234.09/x - Step 3: Cross multiply
136,328.13x = 204,492.29 × 65,234.09 - Step 4: Simplify right side
136,328.13x = 13,339,868,635.23 - Step 5: Solve for x
x = 13,339,868,635.23/136,328.13 - Step 6: Final answer
x = 97,851.18
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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.