Finding the Fourth Proportional to 277,103.11, 382,402.07 and 149,778.70
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Solution
The fourth proportional to 277,103.11, 382,402.07 and 149,778.70 is: 206,694.49
Step by Step Solution
- Step 1: Write the proportion equation
277,103.11 : 382,402.07 = 149,778.70 : x - Step 2: Convert to fraction form
277,103.11/382,402.07 = 149,778.70/x - Step 3: Cross multiply
277,103.11x = 382,402.07 × 149,778.70 - Step 4: Simplify right side
277,103.11x = 57,275,684,921.91 - Step 5: Solve for x
x = 57,275,684,921.91/277,103.11 - Step 6: Final answer
x = 206,694.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.