Finding the Fourth Proportional to 437,959.20, 655,626.60 and 260,374.80
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Solution
The fourth proportional to 437,959.20, 655,626.60 and 260,374.80 is: 389,782.07
Step by Step Solution
- Step 1: Write the proportion equation
437,959.20 : 655,626.60 = 260,374.80 : x - Step 2: Convert to fraction form
437,959.20/655,626.60 = 260,374.80/x - Step 3: Cross multiply
437,959.20x = 655,626.60 × 260,374.80 - Step 4: Simplify right side
437,959.20x = 170,708,644,849.68 - Step 5: Solve for x
x = 170,708,644,849.68/437,959.20 - Step 6: Final answer
x = 389,782.07
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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.