Finding the Fourth Proportional to 279,194.49, 418,838.43 and 219,220.53
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Solution
The fourth proportional to 279,194.49, 418,838.43 and 219,220.53 is: 328,867.46
Step by Step Solution
- Step 1: Write the proportion equation
279,194.49 : 418,838.43 = 219,220.53 : x - Step 2: Convert to fraction form
279,194.49/418,838.43 = 219,220.53/x - Step 3: Cross multiply
279,194.49x = 418,838.43 × 219,220.53 - Step 4: Simplify right side
279,194.49x = 91,817,982,608.97 - Step 5: Solve for x
x = 91,817,982,608.97/279,194.49 - Step 6: Final answer
x = 328,867.46
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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.