Finding the Fourth Proportional to 437,107.20, 655,660.80 and 304,137.60
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Solution
The fourth proportional to 437,107.20, 655,660.80 and 304,137.60 is: 456,206.40
Step by Step Solution
- Step 1: Write the proportion equation
437,107.20 : 655,660.80 = 304,137.60 : x - Step 2: Convert to fraction form
437,107.20/655,660.80 = 304,137.60/x - Step 3: Cross multiply
437,107.20x = 655,660.80 × 304,137.60 - Step 4: Simplify right side
437,107.20x = 199,411,102,126.08 - Step 5: Solve for x
x = 199,411,102,126.08/437,107.20 - Step 6: Final answer
x = 456,206.40
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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.