Finding the Fourth Proportional to 489,224.31, 675,135.20 and 271,437.08
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Solution
The fourth proportional to 489,224.31, 675,135.20 and 271,437.08 is: 374,586.30
Step by Step Solution
- Step 1: Write the proportion equation
489,224.31 : 675,135.20 = 271,437.08 : x - Step 2: Convert to fraction form
489,224.31/675,135.20 = 271,437.08/x - Step 3: Cross multiply
489,224.31x = 675,135.20 × 271,437.08 - Step 4: Simplify right side
489,224.31x = 183,256,724,596.13 - Step 5: Solve for x
x = 183,256,724,596.13/489,224.31 - Step 6: Final answer
x = 374,586.30
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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.