Finding the Fourth Proportional to 489,251.60, 675,204.19 and 271,501.49
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Solution
The fourth proportional to 489,251.60, 675,204.19 and 271,501.49 is: 374,692.58
Step by Step Solution
- Step 1: Write the proportion equation
489,251.60 : 675,204.19 = 271,501.49 : x - Step 2: Convert to fraction form
489,251.60/675,204.19 = 271,501.49/x - Step 3: Cross multiply
489,251.60x = 675,204.19 × 271,501.49 - Step 4: Simplify right side
489,251.60x = 183,318,943,639.24 - Step 5: Solve for x
x = 183,318,943,639.24/489,251.60 - Step 6: Final answer
x = 374,692.58
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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.