Finding the Fourth Proportional to 426,800.70, 640,516.80 and 202,162.31
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Solution
The fourth proportional to 426,800.70, 640,516.80 and 202,162.31 is: 303,393.02
Step by Step Solution
- Step 1: Write the proportion equation
426,800.70 : 640,516.80 = 202,162.31 : x - Step 2: Convert to fraction form
426,800.70/640,516.80 = 202,162.31/x - Step 3: Cross multiply
426,800.70x = 640,516.80 × 202,162.31 - Step 4: Simplify right side
426,800.70x = 129,488,354,133.53 - Step 5: Solve for x
x = 129,488,354,133.53/426,800.70 - Step 6: Final answer
x = 303,393.02
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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.