Finding the Fourth Proportional to 274,707.12, 413,932.55 and 225,880.99
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Solution
The fourth proportional to 274,707.12, 413,932.55 and 225,880.99 is: 340,360.65
Step by Step Solution
- Step 1: Write the proportion equation
274,707.12 : 413,932.55 = 225,880.99 : x - Step 2: Convert to fraction form
274,707.12/413,932.55 = 225,880.99/x - Step 3: Cross multiply
274,707.12x = 413,932.55 × 225,880.99 - Step 4: Simplify right side
274,707.12x = 93,499,494,187.22 - Step 5: Solve for x
x = 93,499,494,187.22/274,707.12 - Step 6: Final answer
x = 340,360.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.