Finding the Fourth Proportional to 351,617.76, 485,230.57 and 190,475.96
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Solution
The fourth proportional to 351,617.76, 485,230.57 and 190,475.96 is: 262,855.77
Step by Step Solution
- Step 1: Write the proportion equation
351,617.76 : 485,230.57 = 190,475.96 : x - Step 2: Convert to fraction form
351,617.76/485,230.57 = 190,475.96/x - Step 3: Cross multiply
351,617.76x = 485,230.57 × 190,475.96 - Step 4: Simplify right side
351,617.76x = 92,424,755,739.75 - Step 5: Solve for x
x = 92,424,755,739.75/351,617.76 - Step 6: Final answer
x = 262,855.77
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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.