Finding the Fourth Proportional to 442,920.75, 611,230.65 and 241,716.75
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Solution
The fourth proportional to 442,920.75, 611,230.65 and 241,716.75 is: 333,569.12
Step by Step Solution
- Step 1: Write the proportion equation
442,920.75 : 611,230.65 = 241,716.75 : x - Step 2: Convert to fraction form
442,920.75/611,230.65 = 241,716.75/x - Step 3: Cross multiply
442,920.75x = 611,230.65 × 241,716.75 - Step 4: Simplify right side
442,920.75x = 147,744,686,218.39 - Step 5: Solve for x
x = 147,744,686,218.39/442,920.75 - Step 6: Final answer
x = 333,569.12
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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.