Finding the Fourth Proportional to 264,163.05, 396,244.58 and 86,675.85
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Solution
The fourth proportional to 264,163.05, 396,244.58 and 86,675.85 is: 130,013.78
Step by Step Solution
- Step 1: Write the proportion equation
264,163.05 : 396,244.58 = 86,675.85 : x - Step 2: Convert to fraction form
264,163.05/396,244.58 = 86,675.85/x - Step 3: Cross multiply
264,163.05x = 396,244.58 × 86,675.85 - Step 4: Simplify right side
264,163.05x = 34,344,835,346.01 - Step 5: Solve for x
x = 34,344,835,346.01/264,163.05 - Step 6: Final answer
x = 130,013.78
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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.