Finding the Fourth Proportional to 532,826.78, 799,221.74 and 133,470.99
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Solution
The fourth proportional to 532,826.78, 799,221.74 and 133,470.99 is: 200,201.87
Step by Step Solution
- Step 1: Write the proportion equation
532,826.78 : 799,221.74 = 133,470.99 : x - Step 2: Convert to fraction form
532,826.78/799,221.74 = 133,470.99/x - Step 3: Cross multiply
532,826.78x = 799,221.74 × 133,470.99 - Step 4: Simplify right side
532,826.78x = 106,672,916,199.97 - Step 5: Solve for x
x = 106,672,916,199.97/532,826.78 - Step 6: Final answer
x = 200,201.87
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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.