Finding the Fourth Proportional to 129,000.84, 193,486.64 and 44,745.44
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Solution
The fourth proportional to 129,000.84, 193,486.64 and 44,745.44 is: 67,113.09
Step by Step Solution
- Step 1: Write the proportion equation
129,000.84 : 193,486.64 = 44,745.44 : x - Step 2: Convert to fraction form
129,000.84/193,486.64 = 44,745.44/x - Step 3: Cross multiply
129,000.84x = 193,486.64 × 44,745.44 - Step 4: Simplify right side
129,000.84x = 8,657,644,840.92 - Step 5: Solve for x
x = 8,657,644,840.92/129,000.84 - Step 6: Final answer
x = 67,113.09
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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.