Finding the Fourth Proportional to 489,482.58, 675,526.66 and 271,711.74
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Solution
The fourth proportional to 489,482.58, 675,526.66 and 271,711.74 is: 374,984.79
Step by Step Solution
- Step 1: Write the proportion equation
489,482.58 : 675,526.66 = 271,711.74 : x - Step 2: Convert to fraction form
489,482.58/675,526.66 = 271,711.74/x - Step 3: Cross multiply
489,482.58x = 675,526.66 × 271,711.74 - Step 4: Simplify right side
489,482.58x = 183,548,524,204.99 - Step 5: Solve for x
x = 183,548,524,204.99/489,482.58 - Step 6: Final answer
x = 374,984.79
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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.