Finding the Fourth Proportional to 143,418.44, 215,154.96 and 68,544.44
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Solution
The fourth proportional to 143,418.44, 215,154.96 and 68,544.44 is: 102,829.71
Step by Step Solution
- Step 1: Write the proportion equation
143,418.44 : 215,154.96 = 68,544.44 : x - Step 2: Convert to fraction form
143,418.44/215,154.96 = 68,544.44/x - Step 3: Cross multiply
143,418.44x = 215,154.96 × 68,544.44 - Step 4: Simplify right side
143,418.44x = 14,747,676,246.42 - Step 5: Solve for x
x = 14,747,676,246.42/143,418.44 - Step 6: Final answer
x = 102,829.71
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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.