Finding the Fourth Proportional to 351,504.99, 485,074.32 and 190,356.30
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Solution
The fourth proportional to 351,504.99, 485,074.32 and 190,356.30 is: 262,690.30
Step by Step Solution
- Step 1: Write the proportion equation
351,504.99 : 485,074.32 = 190,356.30 : x - Step 2: Convert to fraction form
351,504.99/485,074.32 = 190,356.30/x - Step 3: Cross multiply
351,504.99x = 485,074.32 × 190,356.30 - Step 4: Simplify right side
351,504.99x = 92,336,952,780.22 - Step 5: Solve for x
x = 92,336,952,780.22/351,504.99 - Step 6: Final answer
x = 262,690.30
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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.