Finding the Fourth Proportional to 328,272.62, 492,408.77 and 253,501.79
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Solution
The fourth proportional to 328,272.62, 492,408.77 and 253,501.79 is: 380,252.56
Step by Step Solution
- Step 1: Write the proportion equation
328,272.62 : 492,408.77 = 253,501.79 : x - Step 2: Convert to fraction form
328,272.62/492,408.77 = 253,501.79/x - Step 3: Cross multiply
328,272.62x = 492,408.77 × 253,501.79 - Step 4: Simplify right side
328,272.62x = 124,826,500,877.15 - Step 5: Solve for x
x = 124,826,500,877.15/328,272.62 - Step 6: Final answer
x = 380,252.56
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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.