Finding the Fourth Proportional to 279,252.11, 418,736.01 and 137,108.05
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Solution
The fourth proportional to 279,252.11, 418,736.01 and 137,108.05 is: 205,592.28
Step by Step Solution
- Step 1: Write the proportion equation
279,252.11 : 418,736.01 = 137,108.05 : x - Step 2: Convert to fraction form
279,252.11/418,736.01 = 137,108.05/x - Step 3: Cross multiply
279,252.11x = 418,736.01 × 137,108.05 - Step 4: Simplify right side
279,252.11x = 57,412,077,263.20 - Step 5: Solve for x
x = 57,412,077,263.20/279,252.11 - Step 6: Final answer
x = 205,592.28
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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.