Finding the Fourth Proportional to 489,118.34, 674,982.68 and 271,360.05
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Solution
The fourth proportional to 489,118.34, 674,982.68 and 271,360.05 is: 374,476.52
Step by Step Solution
- Step 1: Write the proportion equation
489,118.34 : 674,982.68 = 271,360.05 : x - Step 2: Convert to fraction form
489,118.34/674,982.68 = 271,360.05/x - Step 3: Cross multiply
489,118.34x = 674,982.68 × 271,360.05 - Step 4: Simplify right side
489,118.34x = 183,163,333,793.93 - Step 5: Solve for x
x = 183,163,333,793.93/489,118.34 - Step 6: Final answer
x = 374,476.52
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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.