Finding the Fourth Proportional to 164,775.70, 247,163.55 and 161,859.70
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Solution
The fourth proportional to 164,775.70, 247,163.55 and 161,859.70 is: 242,789.55
Step by Step Solution
- Step 1: Write the proportion equation
164,775.70 : 247,163.55 = 161,859.70 : x - Step 2: Convert to fraction form
164,775.70/247,163.55 = 161,859.70/x - Step 3: Cross multiply
164,775.70x = 247,163.55 × 161,859.70 - Step 4: Simplify right side
164,775.70x = 40,005,818,053.94 - Step 5: Solve for x
x = 40,005,818,053.94/164,775.70 - Step 6: Final answer
x = 242,789.55
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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.