Finding the Fourth Proportional to 292,324.91, 438,319.82 and 89,868.33
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Solution
The fourth proportional to 292,324.91, 438,319.82 and 89,868.33 is: 134,750.99
Step by Step Solution
- Step 1: Write the proportion equation
292,324.91 : 438,319.82 = 89,868.33 : x - Step 2: Convert to fraction form
292,324.91/438,319.82 = 89,868.33/x - Step 3: Cross multiply
292,324.91x = 438,319.82 × 89,868.33 - Step 4: Simplify right side
292,324.91x = 39,391,070,453.97 - Step 5: Solve for x
x = 39,391,070,453.97/292,324.91 - Step 6: Final answer
x = 134,750.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.