Finding the Fourth Proportional to 393,119.70, 589,679.55 and 183,167.70
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Solution
The fourth proportional to 393,119.70, 589,679.55 and 183,167.70 is: 274,751.55
Step by Step Solution
- Step 1: Write the proportion equation
393,119.70 : 589,679.55 = 183,167.70 : x - Step 2: Convert to fraction form
393,119.70/589,679.55 = 183,167.70/x - Step 3: Cross multiply
393,119.70x = 589,679.55 × 183,167.70 - Step 4: Simplify right side
393,119.70x = 108,010,246,910.54 - Step 5: Solve for x
x = 108,010,246,910.54/393,119.70 - Step 6: Final answer
x = 274,751.55
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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.