Finding the Fourth Proportional to 277,288.67, 382,658.62 and 149,964.26
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Solution
The fourth proportional to 277,288.67, 382,658.62 and 149,964.26 is: 206,950.82
Step by Step Solution
- Step 1: Write the proportion equation
277,288.67 : 382,658.62 = 149,964.26 : x - Step 2: Convert to fraction form
277,288.67/382,658.62 = 149,964.26/x - Step 3: Cross multiply
277,288.67x = 382,658.62 × 149,964.26 - Step 4: Simplify right side
277,288.67x = 57,385,117,737.57 - Step 5: Solve for x
x = 57,385,117,737.57/277,288.67 - Step 6: Final answer
x = 206,950.82
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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.