Finding the Fourth Proportional to 144,792.18, 217,250.10 and 74,720.70
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Solution
The fourth proportional to 144,792.18, 217,250.10 and 74,720.70 is: 112,112.96
Step by Step Solution
- Step 1: Write the proportion equation
144,792.18 : 217,250.10 = 74,720.70 : x - Step 2: Convert to fraction form
144,792.18/217,250.10 = 74,720.70/x - Step 3: Cross multiply
144,792.18x = 217,250.10 × 74,720.70 - Step 4: Simplify right side
144,792.18x = 16,233,079,547.07 - Step 5: Solve for x
x = 16,233,079,547.07/144,792.18 - Step 6: Final answer
x = 112,112.96
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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.