Finding the Fourth Proportional to 218,625.28, 301,699.84 and 123,133.12
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Solution
The fourth proportional to 218,625.28, 301,699.84 and 123,133.12 is: 169,921.99
Step by Step Solution
- Step 1: Write the proportion equation
218,625.28 : 301,699.84 = 123,133.12 : x - Step 2: Convert to fraction form
218,625.28/301,699.84 = 123,133.12/x - Step 3: Cross multiply
218,625.28x = 301,699.84 × 123,133.12 - Step 4: Simplify right side
218,625.28x = 37,149,242,602.70 - Step 5: Solve for x
x = 37,149,242,602.70/218,625.28 - Step 6: Final answer
x = 169,921.99
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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.