Finding the Fourth Proportional to 145,163.96, 217,745.85 and 45,332.70
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Solution
The fourth proportional to 145,163.96, 217,745.85 and 45,332.70 is: 67,999.02
Step by Step Solution
- Step 1: Write the proportion equation
145,163.96 : 217,745.85 = 45,332.70 : x - Step 2: Convert to fraction form
145,163.96/217,745.85 = 45,332.70/x - Step 3: Cross multiply
145,163.96x = 217,745.85 × 45,332.70 - Step 4: Simplify right side
145,163.96x = 9,871,007,294.30 - Step 5: Solve for x
x = 9,871,007,294.30/145,163.96 - Step 6: Final answer
x = 67,999.02
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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.