Finding the Fourth Proportional to 304,068.99, 419,612.88 and 168,108.68
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Solution
The fourth proportional to 304,068.99, 419,612.88 and 168,108.68 is: 231,988.69
Step by Step Solution
- Step 1: Write the proportion equation
304,068.99 : 419,612.88 = 168,108.68 : x - Step 2: Convert to fraction form
304,068.99/419,612.88 = 168,108.68/x - Step 3: Cross multiply
304,068.99x = 419,612.88 × 168,108.68 - Step 4: Simplify right side
304,068.99x = 70,540,565,269.73 - Step 5: Solve for x
x = 70,540,565,269.73/304,068.99 - Step 6: Final answer
x = 231,988.69
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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.