Finding the Fourth Proportional to 682,154.20, 1,023,231.30 and 232,725.70
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Solution
The fourth proportional to 682,154.20, 1,023,231.30 and 232,725.70 is: 349,088.55
Step by Step Solution
- Step 1: Write the proportion equation
682,154.20 : 1,023,231.30 = 232,725.70 : x - Step 2: Convert to fraction form
682,154.20/1,023,231.30 = 232,725.70/x - Step 3: Cross multiply
682,154.20x = 1,023,231.30 × 232,725.70 - Step 4: Simplify right side
682,154.20x = 238,132,220,554.41 - Step 5: Solve for x
x = 238,132,220,554.41/682,154.20 - Step 6: Final answer
x = 349,088.55
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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.