Finding the Fourth Proportional to 303,109.68, 418,218.21 and 195,656.70
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Solution
The fourth proportional to 303,109.68, 418,218.21 and 195,656.70 is: 269,959.03
Step by Step Solution
- Step 1: Write the proportion equation
303,109.68 : 418,218.21 = 195,656.70 : x - Step 2: Convert to fraction form
303,109.68/418,218.21 = 195,656.70/x - Step 3: Cross multiply
303,109.68x = 418,218.21 × 195,656.70 - Step 4: Simplify right side
303,109.68x = 81,827,194,848.51 - Step 5: Solve for x
x = 81,827,194,848.51/303,109.68 - Step 6: Final answer
x = 269,959.03
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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.