Finding the Fourth Proportional to 423,122.94, 633,201.30 and 303,311.79
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Solution
The fourth proportional to 423,122.94, 633,201.30 and 303,311.79 is: 453,904.53
Step by Step Solution
- Step 1: Write the proportion equation
423,122.94 : 633,201.30 = 303,311.79 : x - Step 2: Convert to fraction form
423,122.94/633,201.30 = 303,311.79/x - Step 3: Cross multiply
423,122.94x = 633,201.30 × 303,311.79 - Step 4: Simplify right side
423,122.94x = 192,057,419,733.33 - Step 5: Solve for x
x = 192,057,419,733.33/423,122.94 - Step 6: Final answer
x = 453,904.53
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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.