Finding the Fourth Proportional to 401,315.00, 553,793.49 and 229,198.91
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Solution
The fourth proportional to 401,315.00, 553,793.49 and 229,198.91 is: 316,282.38
Step by Step Solution
- Step 1: Write the proportion equation
401,315.00 : 553,793.49 = 229,198.91 : x - Step 2: Convert to fraction form
401,315.00/553,793.49 = 229,198.91/x - Step 3: Cross multiply
401,315.00x = 553,793.49 × 229,198.91 - Step 4: Simplify right side
401,315.00x = 126,928,861,504.13 - Step 5: Solve for x
x = 126,928,861,504.13/401,315.00 - Step 6: Final answer
x = 316,282.38
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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.