Finding the Fourth Proportional to 190,027.40, 284,862.90 and 71,778.20
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Solution
The fourth proportional to 190,027.40, 284,862.90 and 71,778.20 is: 107,599.99
Step by Step Solution
- Step 1: Write the proportion equation
190,027.40 : 284,862.90 = 71,778.20 : x - Step 2: Convert to fraction form
190,027.40/284,862.90 = 71,778.20/x - Step 3: Cross multiply
190,027.40x = 284,862.90 × 71,778.20 - Step 4: Simplify right side
190,027.40x = 20,446,946,208.78 - Step 5: Solve for x
x = 20,446,946,208.78/190,027.40 - Step 6: Final answer
x = 107,599.99
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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.