Finding the Fourth Proportional to 304,811.70, 420,598.49 and 168,812.07
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Solution
The fourth proportional to 304,811.70, 420,598.49 and 168,812.07 is: 232,937.58
Step by Step Solution
- Step 1: Write the proportion equation
304,811.70 : 420,598.49 = 168,812.07 : x - Step 2: Convert to fraction form
304,811.70/420,598.49 = 168,812.07/x - Step 3: Cross multiply
304,811.70x = 420,598.49 × 168,812.07 - Step 4: Simplify right side
304,811.70x = 71,002,100,891.71 - Step 5: Solve for x
x = 71,002,100,891.71/304,811.70 - Step 6: Final answer
x = 232,937.58
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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.