Finding the Fourth Proportional to 313,198.20, 432,214.65 and 169,958.24
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Solution
The fourth proportional to 313,198.20, 432,214.65 and 169,958.24 is: 234,542.99
Step by Step Solution
- Step 1: Write the proportion equation
313,198.20 : 432,214.65 = 169,958.24 : x - Step 2: Convert to fraction form
313,198.20/432,214.65 = 169,958.24/x - Step 3: Cross multiply
313,198.20x = 432,214.65 × 169,958.24 - Step 4: Simplify right side
313,198.20x = 73,458,441,216.22 - Step 5: Solve for x
x = 73,458,441,216.22/313,198.20 - Step 6: Final answer
x = 234,542.99
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1.5x scale
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.