Finding the Fourth Proportional to 480,276.84, 720,539.76 and 255,452.31
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Solution
The fourth proportional to 480,276.84, 720,539.76 and 255,452.31 is: 383,244.68
Step by Step Solution
- Step 1: Write the proportion equation
480,276.84 : 720,539.76 = 255,452.31 : x - Step 2: Convert to fraction form
480,276.84/720,539.76 = 255,452.31/x - Step 3: Cross multiply
480,276.84x = 720,539.76 × 255,452.31 - Step 4: Simplify right side
480,276.84x = 184,063,546,138.85 - Step 5: Solve for x
x = 184,063,546,138.85/480,276.84 - Step 6: Final answer
x = 383,244.68
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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.