Finding the Fourth Proportional to 214,585.84, 321,770.76 and 74,306.80
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Solution
The fourth proportional to 214,585.84, 321,770.76 and 74,306.80 is: 111,422.80
Step by Step Solution
- Step 1: Write the proportion equation
214,585.84 : 321,770.76 = 74,306.80 : x - Step 2: Convert to fraction form
214,585.84/321,770.76 = 74,306.80/x - Step 3: Cross multiply
214,585.84x = 321,770.76 × 74,306.80 - Step 4: Simplify right side
214,585.84x = 23,909,755,509.17 - Step 5: Solve for x
x = 23,909,755,509.17/214,585.84 - Step 6: Final answer
x = 111,422.80
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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.