Finding the Fourth Proportional to 450,606.20, 676,142.28 and 198,063.99
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Solution
The fourth proportional to 450,606.20, 676,142.28 and 198,063.99 is: 297,198.39
Step by Step Solution
- Step 1: Write the proportion equation
450,606.20 : 676,142.28 = 198,063.99 : x - Step 2: Convert to fraction form
450,606.20/676,142.28 = 198,063.99/x - Step 3: Cross multiply
450,606.20x = 676,142.28 × 198,063.99 - Step 4: Simplify right side
450,606.20x = 133,919,437,784.50 - Step 5: Solve for x
x = 133,919,437,784.50/450,606.20 - Step 6: Final answer
x = 297,198.39
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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.