Finding the Fourth Proportional to 304,833.03, 420,874.98 and 190,286.07
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Solution
The fourth proportional to 304,833.03, 420,874.98 and 190,286.07 is: 262,722.99
Step by Step Solution
- Step 1: Write the proportion equation
304,833.03 : 420,874.98 = 190,286.07 : x - Step 2: Convert to fraction form
304,833.03/420,874.98 = 190,286.07/x - Step 3: Cross multiply
304,833.03x = 420,874.98 × 190,286.07 - Step 4: Simplify right side
304,833.03x = 80,086,645,905.53 - Step 5: Solve for x
x = 80,086,645,905.53/304,833.03 - Step 6: Final answer
x = 262,722.99
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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.