Finding the Fourth Proportional to 494,765.76, 742,146.80 and 179,148.84
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Solution
The fourth proportional to 494,765.76, 742,146.80 and 179,148.84 is: 268,722.59
Step by Step Solution
- Step 1: Write the proportion equation
494,765.76 : 742,146.80 = 179,148.84 : x - Step 2: Convert to fraction form
494,765.76/742,146.80 = 179,148.84/x - Step 3: Cross multiply
494,765.76x = 742,146.80 × 179,148.84 - Step 4: Simplify right side
494,765.76x = 132,954,737,433.97 - Step 5: Solve for x
x = 132,954,737,433.97/494,765.76 - Step 6: Final answer
x = 268,722.59
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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.