Finding the Fourth Proportional to 205,062.20, 307,593.30 and 189,315.80
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Solution
The fourth proportional to 205,062.20, 307,593.30 and 189,315.80 is: 283,973.70
Step by Step Solution
- Step 1: Write the proportion equation
205,062.20 : 307,593.30 = 189,315.80 : x - Step 2: Convert to fraction form
205,062.20/307,593.30 = 189,315.80/x - Step 3: Cross multiply
205,062.20x = 307,593.30 × 189,315.80 - Step 4: Simplify right side
205,062.20x = 58,232,271,664.14 - Step 5: Solve for x
x = 58,232,271,664.14/205,062.20 - Step 6: Final answer
x = 283,973.70
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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.