Finding the Fourth Proportional to 426,863.88, 589,170.36 and 245,680.44
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Solution
The fourth proportional to 426,863.88, 589,170.36 and 245,680.44 is: 339,095.53
Step by Step Solution
- Step 1: Write the proportion equation
426,863.88 : 589,170.36 = 245,680.44 : x - Step 2: Convert to fraction form
426,863.88/589,170.36 = 245,680.44/x - Step 3: Cross multiply
426,863.88x = 589,170.36 × 245,680.44 - Step 4: Simplify right side
426,863.88x = 144,747,633,279.76 - Step 5: Solve for x
x = 144,747,633,279.76/426,863.88 - Step 6: Final answer
x = 339,095.53
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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.