Finding the Fourth Proportional to 447,221.97, 617,177.58 and 243,284.34
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Solution
The fourth proportional to 447,221.97, 617,177.58 and 243,284.34 is: 335,738.52
Step by Step Solution
- Step 1: Write the proportion equation
447,221.97 : 617,177.58 = 243,284.34 : x - Step 2: Convert to fraction form
447,221.97/617,177.58 = 243,284.34/x - Step 3: Cross multiply
447,221.97x = 617,177.58 × 243,284.34 - Step 4: Simplify right side
447,221.97x = 150,149,640,213.10 - Step 5: Solve for x
x = 150,149,640,213.10/447,221.97 - Step 6: Final answer
x = 335,738.52
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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.