Finding the Fourth Proportional to 205,777.05, 283,983.38 and 115,127.63
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Solution
The fourth proportional to 205,777.05, 283,983.38 and 115,127.63 is: 158,882.30
Step by Step Solution
- Step 1: Write the proportion equation
205,777.05 : 283,983.38 = 115,127.63 : x - Step 2: Convert to fraction form
205,777.05/283,983.38 = 115,127.63/x - Step 3: Cross multiply
205,777.05x = 283,983.38 × 115,127.63 - Step 4: Simplify right side
205,777.05x = 32,694,331,503.23 - Step 5: Solve for x
x = 32,694,331,503.23/205,777.05 - Step 6: Final answer
x = 158,882.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.