Finding the Fourth Proportional to 331,206.68, 457,125.05 and 195,232.79
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Solution
The fourth proportional to 331,206.68, 457,125.05 and 195,232.79 is: 269,456.52
Step by Step Solution
- Step 1: Write the proportion equation
331,206.68 : 457,125.05 = 195,232.79 : x - Step 2: Convert to fraction form
331,206.68/457,125.05 = 195,232.79/x - Step 3: Cross multiply
331,206.68x = 457,125.05 × 195,232.79 - Step 4: Simplify right side
331,206.68x = 89,245,798,890.39 - Step 5: Solve for x
x = 89,245,798,890.39/331,206.68 - Step 6: Final answer
x = 269,456.52
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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.