Finding the Fourth Proportional to 279,193.49, 418,836.93 and 219,219.53
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Solution
The fourth proportional to 279,193.49, 418,836.93 and 219,219.53 is: 328,865.96
Step by Step Solution
- Step 1: Write the proportion equation
279,193.49 : 418,836.93 = 219,219.53 : x - Step 2: Convert to fraction form
279,193.49/418,836.93 = 219,219.53/x - Step 3: Cross multiply
279,193.49x = 418,836.93 × 219,219.53 - Step 4: Simplify right side
279,193.49x = 91,817,233,845.15 - Step 5: Solve for x
x = 91,817,233,845.15/279,193.49 - Step 6: Final answer
x = 328,865.96
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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.