Finding the Fourth Proportional to 437,528.20, 656,292.30 and 259,943.80
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Solution
The fourth proportional to 437,528.20, 656,292.30 and 259,943.80 is: 389,915.70
Step by Step Solution
- Step 1: Write the proportion equation
437,528.20 : 656,292.30 = 259,943.80 : x - Step 2: Convert to fraction form
437,528.20/656,292.30 = 259,943.80/x - Step 3: Cross multiply
437,528.20x = 656,292.30 × 259,943.80 - Step 4: Simplify right side
437,528.20x = 170,599,114,372.74 - Step 5: Solve for x
x = 170,599,114,372.74/437,528.20 - Step 6: Final answer
x = 389,915.70
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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.