Finding the Fourth Proportional to 395,404.02, 545,656.55 and 214,115.94
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Solution
The fourth proportional to 395,404.02, 545,656.55 and 214,115.94 is: 295,479.46
Step by Step Solution
- Step 1: Write the proportion equation
395,404.02 : 545,656.55 = 214,115.94 : x - Step 2: Convert to fraction form
395,404.02/545,656.55 = 214,115.94/x - Step 3: Cross multiply
395,404.02x = 545,656.55 × 214,115.94 - Step 4: Simplify right side
395,404.02x = 116,833,765,120.41 - Step 5: Solve for x
x = 116,833,765,120.41/395,404.02 - Step 6: Final answer
x = 295,479.46
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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.