Finding the Fourth Proportional to 356,877.72, 535,147.14 and 207,163.92
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Solution
The fourth proportional to 356,877.72, 535,147.14 and 207,163.92 is: 310,647.52
Step by Step Solution
- Step 1: Write the proportion equation
356,877.72 : 535,147.14 = 207,163.92 : x - Step 2: Convert to fraction form
356,877.72/535,147.14 = 207,163.92/x - Step 3: Cross multiply
356,877.72x = 535,147.14 × 207,163.92 - Step 4: Simplify right side
356,877.72x = 110,863,179,299.19 - Step 5: Solve for x
x = 110,863,179,299.19/356,877.72 - Step 6: Final answer
x = 310,647.52
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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.