Finding the Fourth Proportional to 279,276.88, 415,756.81 and 277,616.38
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Solution
The fourth proportional to 279,276.88, 415,756.81 and 277,616.38 is: 413,284.84
Step by Step Solution
- Step 1: Write the proportion equation
279,276.88 : 415,756.81 = 277,616.38 : x - Step 2: Convert to fraction form
279,276.88/415,756.81 = 277,616.38/x - Step 3: Cross multiply
279,276.88x = 415,756.81 × 277,616.38 - Step 4: Simplify right side
279,276.88x = 115,420,900,552.55 - Step 5: Solve for x
x = 115,420,900,552.55/279,276.88 - Step 6: Final answer
x = 413,284.84
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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.