Finding the Fourth Proportional to 373,900.71, 560,733.44 and 121,122.55
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Solution
The fourth proportional to 373,900.71, 560,733.44 and 121,122.55 is: 181,645.72
Step by Step Solution
- Step 1: Write the proportion equation
373,900.71 : 560,733.44 = 121,122.55 : x - Step 2: Convert to fraction form
373,900.71/560,733.44 = 121,122.55/x - Step 3: Cross multiply
373,900.71x = 560,733.44 × 121,122.55 - Step 4: Simplify right side
373,900.71x = 67,917,464,218.38 - Step 5: Solve for x
x = 67,917,464,218.38/373,900.71 - Step 6: Final answer
x = 181,645.72
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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.