Finding the Fourth Proportional to 183,119.40, 274,679.10 and 129,975.30
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Solution
The fourth proportional to 183,119.40, 274,679.10 and 129,975.30 is: 194,962.95
Step by Step Solution
- Step 1: Write the proportion equation
183,119.40 : 274,679.10 = 129,975.30 : x - Step 2: Convert to fraction form
183,119.40/274,679.10 = 129,975.30/x - Step 3: Cross multiply
183,119.40x = 274,679.10 × 129,975.30 - Step 4: Simplify right side
183,119.40x = 35,701,498,426.23 - Step 5: Solve for x
x = 35,701,498,426.23/183,119.40 - Step 6: Final answer
x = 194,962.95
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1.5x scale
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.