Finding the Fourth Proportional to 205,363.11, 307,615.36 and 165,164.84
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Solution
The fourth proportional to 205,363.11, 307,615.36 and 165,164.84 is: 247,401.99
Step by Step Solution
- Step 1: Write the proportion equation
205,363.11 : 307,615.36 = 165,164.84 : x - Step 2: Convert to fraction form
205,363.11/307,615.36 = 165,164.84/x - Step 3: Cross multiply
205,363.11x = 307,615.36 × 165,164.84 - Step 4: Simplify right side
205,363.11x = 50,807,241,715.94 - Step 5: Solve for x
x = 50,807,241,715.94/205,363.11 - Step 6: Final answer
x = 247,401.99
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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.