Finding the Fourth Proportional to 451,014.93, 676,744.68 and 211,145.07
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Solution
The fourth proportional to 451,014.93, 676,744.68 and 211,145.07 is: 316,821.67
Step by Step Solution
- Step 1: Write the proportion equation
451,014.93 : 676,744.68 = 211,145.07 : x - Step 2: Convert to fraction form
451,014.93/676,744.68 = 211,145.07/x - Step 3: Cross multiply
451,014.93x = 676,744.68 × 211,145.07 - Step 4: Simplify right side
451,014.93x = 142,891,302,830.73 - Step 5: Solve for x
x = 142,891,302,830.73/451,014.93 - Step 6: Final answer
x = 316,821.67
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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.