Finding the Fourth Proportional to 144,445.16, 216,588.36 and 44,578.12
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Solution
The fourth proportional to 144,445.16, 216,588.36 and 44,578.12 is: 66,842.68
Step by Step Solution
- Step 1: Write the proportion equation
144,445.16 : 216,588.36 = 44,578.12 : x - Step 2: Convert to fraction form
144,445.16/216,588.36 = 44,578.12/x - Step 3: Cross multiply
144,445.16x = 216,588.36 × 44,578.12 - Step 4: Simplify right side
144,445.16x = 9,655,101,902.68 - Step 5: Solve for x
x = 9,655,101,902.68/144,445.16 - Step 6: Final answer
x = 66,842.68
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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.