Finding the Fourth Proportional to 279,274.83, 418,977.05 and 92,274.99
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Solution
The fourth proportional to 279,274.83, 418,977.05 and 92,274.99 is: 138,433.90
Step by Step Solution
- Step 1: Write the proportion equation
279,274.83 : 418,977.05 = 92,274.99 : x - Step 2: Convert to fraction form
279,274.83/418,977.05 = 92,274.99/x - Step 3: Cross multiply
279,274.83x = 418,977.05 × 92,274.99 - Step 4: Simplify right side
279,274.83x = 38,661,102,637.60 - Step 5: Solve for x
x = 38,661,102,637.60/279,274.83 - Step 6: Final answer
x = 138,433.90
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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.