Finding the Fourth Proportional to 154,201.89, 231,303.96 and 54,363.99
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Solution
The fourth proportional to 154,201.89, 231,303.96 and 54,363.99 is: 81,546.38
Step by Step Solution
- Step 1: Write the proportion equation
154,201.89 : 231,303.96 = 54,363.99 : x - Step 2: Convert to fraction form
154,201.89/231,303.96 = 54,363.99/x - Step 3: Cross multiply
154,201.89x = 231,303.96 × 54,363.99 - Step 4: Simplify right side
154,201.89x = 12,574,606,168.40 - Step 5: Solve for x
x = 12,574,606,168.40/154,201.89 - Step 6: Final answer
x = 81,546.38
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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.