Finding the Fourth Proportional to 214,747.87, 321,878.76 and 109,344.19
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Solution
The fourth proportional to 214,747.87, 321,878.76 and 109,344.19 is: 163,892.53
Step by Step Solution
- Step 1: Write the proportion equation
214,747.87 : 321,878.76 = 109,344.19 : x - Step 2: Convert to fraction form
214,747.87/321,878.76 = 109,344.19/x - Step 3: Cross multiply
214,747.87x = 321,878.76 × 109,344.19 - Step 4: Simplify right side
214,747.87x = 35,195,572,290.40 - Step 5: Solve for x
x = 35,195,572,290.40/214,747.87 - Step 6: Final answer
x = 163,892.53
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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.