Finding the Fourth Proportional to 374,163.20, 561,244.80 and 323,424.80
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Solution
The fourth proportional to 374,163.20, 561,244.80 and 323,424.80 is: 485,137.20
Step by Step Solution
- Step 1: Write the proportion equation
374,163.20 : 561,244.80 = 323,424.80 : x - Step 2: Convert to fraction form
374,163.20/561,244.80 = 323,424.80/x - Step 3: Cross multiply
374,163.20x = 561,244.80 × 323,424.80 - Step 4: Simplify right side
374,163.20x = 181,520,487,191.04 - Step 5: Solve for x
x = 181,520,487,191.04/374,163.20 - Step 6: Final answer
x = 485,137.20
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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.