Finding the Fourth Proportional to 395,348.84, 545,579.09 and 214,057.02
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Solution
The fourth proportional to 395,348.84, 545,579.09 and 214,057.02 is: 295,397.44
Step by Step Solution
- Step 1: Write the proportion equation
395,348.84 : 545,579.09 = 214,057.02 : x - Step 2: Convert to fraction form
395,348.84/545,579.09 = 214,057.02/x - Step 3: Cross multiply
395,348.84x = 545,579.09 × 214,057.02 - Step 4: Simplify right side
395,348.84x = 116,785,033,109.43 - Step 5: Solve for x
x = 116,785,033,109.43/395,348.84 - Step 6: Final answer
x = 295,397.44
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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.