Finding the Fourth Proportional to 351,544.28, 485,129.94 and 190,398.92
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Solution
The fourth proportional to 351,544.28, 485,129.94 and 190,398.92 is: 262,749.88
Step by Step Solution
- Step 1: Write the proportion equation
351,544.28 : 485,129.94 = 190,398.92 : x - Step 2: Convert to fraction form
351,544.28/485,129.94 = 190,398.92/x - Step 3: Cross multiply
351,544.28x = 485,129.94 × 190,398.92 - Step 4: Simplify right side
351,544.28x = 92,368,216,635.66 - Step 5: Solve for x
x = 92,368,216,635.66/351,544.28 - Step 6: Final answer
x = 262,749.88
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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.