Finding the Fourth Proportional to 351,677.10, 485,313.75 and 190,536.15
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Solution
The fourth proportional to 351,677.10, 485,313.75 and 190,536.15 is: 262,939.54
Step by Step Solution
- Step 1: Write the proportion equation
351,677.10 : 485,313.75 = 190,536.15 : x - Step 2: Convert to fraction form
351,677.10/485,313.75 = 190,536.15/x - Step 3: Cross multiply
351,677.10x = 485,313.75 × 190,536.15 - Step 4: Simplify right side
351,677.10x = 92,469,813,467.06 - Step 5: Solve for x
x = 92,469,813,467.06/351,677.10 - Step 6: Final answer
x = 262,939.54
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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.