Finding the Fourth Proportional to 253,003.08, 379,197.68 and 185,820.21
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Solution
The fourth proportional to 253,003.08, 379,197.68 and 185,820.21 is: 278,504.88
Step by Step Solution
- Step 1: Write the proportion equation
253,003.08 : 379,197.68 = 185,820.21 : x - Step 2: Convert to fraction form
253,003.08/379,197.68 = 185,820.21/x - Step 3: Cross multiply
253,003.08x = 379,197.68 × 185,820.21 - Step 4: Simplify right side
253,003.08x = 70,462,592,529.11 - Step 5: Solve for x
x = 70,462,592,529.11/253,003.08 - Step 6: Final answer
x = 278,504.88
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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.