Finding the Fourth Proportional to 275,804.67, 380,626.74 and 207,701.49
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Solution
The fourth proportional to 275,804.67, 380,626.74 and 207,701.49 is: 286,640.33
Step by Step Solution
- Step 1: Write the proportion equation
275,804.67 : 380,626.74 = 207,701.49 : x - Step 2: Convert to fraction form
275,804.67/380,626.74 = 207,701.49/x - Step 3: Cross multiply
275,804.67x = 380,626.74 × 207,701.49 - Step 4: Simplify right side
275,804.67x = 79,056,741,031.84 - Step 5: Solve for x
x = 79,056,741,031.84/275,804.67 - Step 6: Final answer
x = 286,640.33
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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.