Finding the Fourth Proportional to 117,438.10, 176,163.08 and 33,204.31
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Solution
The fourth proportional to 117,438.10, 176,163.08 and 33,204.31 is: 49,808.14
Step by Step Solution
- Step 1: Write the proportion equation
117,438.10 : 176,163.08 = 33,204.31 : x - Step 2: Convert to fraction form
117,438.10/176,163.08 = 33,204.31/x - Step 3: Cross multiply
117,438.10x = 176,163.08 × 33,204.31 - Step 4: Simplify right side
117,438.10x = 5,849,373,518.87 - Step 5: Solve for x
x = 5,849,373,518.87/117,438.10 - Step 6: Final answer
x = 49,808.14
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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.