Finding the Fourth Proportional to 279,108.25, 418,549.63 and 108,239.99
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Solution
The fourth proportional to 279,108.25, 418,549.63 and 108,239.99 is: 162,316.26
Step by Step Solution
- Step 1: Write the proportion equation
279,108.25 : 418,549.63 = 108,239.99 : x - Step 2: Convert to fraction form
279,108.25/418,549.63 = 108,239.99/x - Step 3: Cross multiply
279,108.25x = 418,549.63 × 108,239.99 - Step 4: Simplify right side
279,108.25x = 45,303,807,765.70 - Step 5: Solve for x
x = 45,303,807,765.70/279,108.25 - Step 6: Final answer
x = 162,316.26
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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.