Finding the Fourth Proportional to 489,889.48, 734,837.86 and 134,922.97
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Solution
The fourth proportional to 489,889.48, 734,837.86 and 134,922.97 is: 202,385.46
Step by Step Solution
- Step 1: Write the proportion equation
489,889.48 : 734,837.86 = 134,922.97 : x - Step 2: Convert to fraction form
489,889.48/734,837.86 = 134,922.97/x - Step 3: Cross multiply
489,889.48x = 734,837.86 × 134,922.97 - Step 4: Simplify right side
489,889.48x = 99,146,505,865.03 - Step 5: Solve for x
x = 99,146,505,865.03/489,889.48 - Step 6: Final answer
x = 202,385.46
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1.5x scale
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.