Finding the Fourth Proportional to 306,662.99, 423,194.82 and 170,694.02
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Solution
The fourth proportional to 306,662.99, 423,194.82 and 170,694.02 is: 235,557.69
Step by Step Solution
- Step 1: Write the proportion equation
306,662.99 : 423,194.82 = 170,694.02 : x - Step 2: Convert to fraction form
306,662.99/423,194.82 = 170,694.02/x - Step 3: Cross multiply
306,662.99x = 423,194.82 × 170,694.02 - Step 4: Simplify right side
306,662.99x = 72,236,822,953.00 - Step 5: Solve for x
x = 72,236,822,953.00/306,662.99 - Step 6: Final answer
x = 235,557.69
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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.