Finding the Fourth Proportional to 395,392.02, 545,643.62 and 214,103.95
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Solution
The fourth proportional to 395,392.02, 545,643.62 and 214,103.95 is: 295,464.88
Step by Step Solution
- Step 1: Write the proportion equation
395,392.02 : 545,643.62 = 214,103.95 : x - Step 2: Convert to fraction form
395,392.02/545,643.62 = 214,103.95/x - Step 3: Cross multiply
395,392.02x = 545,643.62 × 214,103.95 - Step 4: Simplify right side
395,392.02x = 116,824,454,334.30 - Step 5: Solve for x
x = 116,824,454,334.30/395,392.02 - Step 6: Final answer
x = 295,464.88
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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.