Finding the Fourth Proportional to 199,688.10, 299,204.10 and 170,163.60
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Solution
The fourth proportional to 199,688.10, 299,204.10 and 170,163.60 is: 254,965.85
Step by Step Solution
- Step 1: Write the proportion equation
199,688.10 : 299,204.10 = 170,163.60 : x - Step 2: Convert to fraction form
199,688.10/299,204.10 = 170,163.60/x - Step 3: Cross multiply
199,688.10x = 299,204.10 × 170,163.60 - Step 4: Simplify right side
199,688.10x = 50,913,646,790.76 - Step 5: Solve for x
x = 50,913,646,790.76/199,688.10 - Step 6: Final answer
x = 254,965.85
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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.