Finding the Fourth Proportional to 205,438.92, 283,542.90 and 132,931.08
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Solution
The fourth proportional to 205,438.92, 283,542.90 and 132,931.08 is: 183,468.95
Step by Step Solution
- Step 1: Write the proportion equation
205,438.92 : 283,542.90 = 132,931.08 : x - Step 2: Convert to fraction form
205,438.92/283,542.90 = 132,931.08/x - Step 3: Cross multiply
205,438.92x = 283,542.90 × 132,931.08 - Step 4: Simplify right side
205,438.92x = 37,691,663,923.33 - Step 5: Solve for x
x = 37,691,663,923.33/205,438.92 - Step 6: Final answer
x = 183,468.95
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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.