Finding the Fourth Proportional to 277,275.19, 382,640.92 and 149,950.79
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Solution
The fourth proportional to 277,275.19, 382,640.92 and 149,950.79 is: 206,932.71
Step by Step Solution
- Step 1: Write the proportion equation
277,275.19 : 382,640.92 = 149,950.79 : x - Step 2: Convert to fraction form
277,275.19/382,640.92 = 149,950.79/x - Step 3: Cross multiply
277,275.19x = 382,640.92 × 149,950.79 - Step 4: Simplify right side
277,275.19x = 57,377,307,395.62 - Step 5: Solve for x
x = 57,377,307,395.62/277,275.19 - Step 6: Final answer
x = 206,932.71
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1.5x scale
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.