Finding the Fourth Proportional to 351,817.97, 485,509.64 and 190,672.98
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Solution
The fourth proportional to 351,817.97, 485,509.64 and 190,672.98 is: 263,129.17
Step by Step Solution
- Step 1: Write the proportion equation
351,817.97 : 485,509.64 = 190,672.98 : x - Step 2: Convert to fraction form
351,817.97/485,509.64 = 190,672.98/x - Step 3: Cross multiply
351,817.97x = 485,509.64 × 190,672.98 - Step 4: Simplify right side
351,817.97x = 92,573,570,354.21 - Step 5: Solve for x
x = 92,573,570,354.21/351,817.97 - Step 6: Final answer
x = 263,129.17
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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.