Finding the Fourth Proportional to 279,252.52, 415,720.18 and 277,591.75
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Solution
The fourth proportional to 279,252.52, 415,720.18 and 277,591.75 is: 413,247.81
Step by Step Solution
- Step 1: Write the proportion equation
279,252.52 : 415,720.18 = 277,591.75 : x - Step 2: Convert to fraction form
279,252.52/415,720.18 = 277,591.75/x - Step 3: Cross multiply
279,252.52x = 415,720.18 × 277,591.75 - Step 4: Simplify right side
279,252.52x = 115,400,492,276.52 - Step 5: Solve for x
x = 115,400,492,276.52/279,252.52 - Step 6: Final answer
x = 413,247.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.