Finding the Fourth Proportional to 356,313.10, 491,711.97 and 195,178.18
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Solution
The fourth proportional to 356,313.10, 491,711.97 and 195,178.18 is: 269,345.83
Step by Step Solution
- Step 1: Write the proportion equation
356,313.10 : 491,711.97 = 195,178.18 : x - Step 2: Convert to fraction form
356,313.10/491,711.97 = 195,178.18/x - Step 3: Cross multiply
356,313.10x = 491,711.97 × 195,178.18 - Step 4: Simplify right side
356,313.10x = 95,971,447,388.81 - Step 5: Solve for x
x = 95,971,447,388.81/356,313.10 - Step 6: Final answer
x = 269,345.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.