Finding the Fourth Proportional to 143,951.18, 214,449.37 and 137,474.26
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Solution
The fourth proportional to 143,951.18, 214,449.37 and 137,474.26 is: 204,800.48
Step by Step Solution
- Step 1: Write the proportion equation
143,951.18 : 214,449.37 = 137,474.26 : x - Step 2: Convert to fraction form
143,951.18/214,449.37 = 137,474.26/x - Step 3: Cross multiply
143,951.18x = 214,449.37 × 137,474.26 - Step 4: Simplify right side
143,951.18x = 29,481,269,547.98 - Step 5: Solve for x
x = 29,481,269,547.98/143,951.18 - Step 6: Final answer
x = 204,800.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.