Finding the Fourth Proportional to 145,163.28, 217,744.84 and 45,332.03
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Solution
The fourth proportional to 145,163.28, 217,744.84 and 45,332.03 is: 67,998.02
Step by Step Solution
- Step 1: Write the proportion equation
145,163.28 : 217,744.84 = 45,332.03 : x - Step 2: Convert to fraction form
145,163.28/217,744.84 = 45,332.03/x - Step 3: Cross multiply
145,163.28x = 217,744.84 × 45,332.03 - Step 4: Simplify right side
145,163.28x = 9,870,814,961.53 - Step 5: Solve for x
x = 9,870,814,961.53/145,163.28 - Step 6: Final answer
x = 67,998.02
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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.