Finding the Fourth Proportional to 426,632.27, 640,135.10 and 202,152.92
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Solution
The fourth proportional to 426,632.27, 640,135.10 and 202,152.92 is: 303,317.84
Step by Step Solution
- Step 1: Write the proportion equation
426,632.27 : 640,135.10 = 202,152.92 : x - Step 2: Convert to fraction form
426,632.27/640,135.10 = 202,152.92/x - Step 3: Cross multiply
426,632.27x = 640,135.10 × 202,152.92 - Step 4: Simplify right side
426,632.27x = 129,405,176,964.20 - Step 5: Solve for x
x = 129,405,176,964.20/426,632.27 - Step 6: Final answer
x = 303,317.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.