Finding the Fourth Proportional to 395,396.02, 545,649.14 and 214,107.95
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Solution
The fourth proportional to 395,396.02, 545,649.14 and 214,107.95 is: 295,470.40
Step by Step Solution
- Step 1: Write the proportion equation
395,396.02 : 545,649.14 = 214,107.95 : x - Step 2: Convert to fraction form
395,396.02/545,649.14 = 214,107.95/x - Step 3: Cross multiply
395,396.02x = 545,649.14 × 214,107.95 - Step 4: Simplify right side
395,396.02x = 116,827,818,784.66 - Step 5: Solve for x
x = 116,827,818,784.66/395,396.02 - Step 6: Final answer
x = 295,470.40
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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.