Finding the Fourth Proportional to 447,286.97, 617,241.93 and 243,332.66
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Solution
The fourth proportional to 447,286.97, 617,241.93 and 243,332.66 is: 335,791.40
Step by Step Solution
- Step 1: Write the proportion equation
447,286.97 : 617,241.93 = 243,332.66 : x - Step 2: Convert to fraction form
447,286.97/617,241.93 = 243,332.66/x - Step 3: Cross multiply
447,286.97x = 617,241.93 × 243,332.66 - Step 4: Simplify right side
447,286.97x = 150,195,117,604.22 - Step 5: Solve for x
x = 150,195,117,604.22/447,286.97 - Step 6: Final answer
x = 335,791.40
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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.