Finding the Fourth Proportional to 363,511.20, 545,266.80 and 251,536.80
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Solution
The fourth proportional to 363,511.20, 545,266.80 and 251,536.80 is: 377,305.20
Step by Step Solution
- Step 1: Write the proportion equation
363,511.20 : 545,266.80 = 251,536.80 : x - Step 2: Convert to fraction form
363,511.20/545,266.80 = 251,536.80/x - Step 3: Cross multiply
363,511.20x = 545,266.80 × 251,536.80 - Step 4: Simplify right side
363,511.20x = 137,154,666,018.24 - Step 5: Solve for x
x = 137,154,666,018.24/363,511.20 - Step 6: Final answer
x = 377,305.20
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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.