Finding the Fourth Proportional to 489,344.42, 675,293.93 and 271,585.97
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Solution
The fourth proportional to 489,344.42, 675,293.93 and 271,585.97 is: 374,787.88
Step by Step Solution
- Step 1: Write the proportion equation
489,344.42 : 675,293.93 = 271,585.97 : x - Step 2: Convert to fraction form
489,344.42/675,293.93 = 271,585.97/x - Step 3: Cross multiply
489,344.42x = 675,293.93 × 271,585.97 - Step 4: Simplify right side
489,344.42x = 183,400,357,344.47 - Step 5: Solve for x
x = 183,400,357,344.47/489,344.42 - Step 6: Final answer
x = 374,787.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.