Finding the Fourth Proportional to 279,362.79, 419,044.19 and 229,914.99
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Solution
The fourth proportional to 279,362.79, 419,044.19 and 229,914.99 is: 344,872.49
Step by Step Solution
- Step 1: Write the proportion equation
279,362.79 : 419,044.19 = 229,914.99 : x - Step 2: Convert to fraction form
279,362.79/419,044.19 = 229,914.99/x - Step 3: Cross multiply
279,362.79x = 419,044.19 × 229,914.99 - Step 4: Simplify right side
279,362.79x = 96,344,539,603.83 - Step 5: Solve for x
x = 96,344,539,603.83/279,362.79 - Step 6: Final answer
x = 344,872.49
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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.