Finding the Fourth Proportional to 214,274.83, 321,414.99 and 147,697.09
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Solution
The fourth proportional to 214,274.83, 321,414.99 and 147,697.09 is: 221,547.53
Step by Step Solution
- Step 1: Write the proportion equation
214,274.83 : 321,414.99 = 147,697.09 : x - Step 2: Convert to fraction form
214,274.83/321,414.99 = 147,697.09/x - Step 3: Cross multiply
214,274.83x = 321,414.99 × 147,697.09 - Step 4: Simplify right side
214,274.83x = 47,472,058,705.38 - Step 5: Solve for x
x = 47,472,058,705.38/214,274.83 - Step 6: Final answer
x = 221,547.53
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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.