Finding the Fourth Proportional to 189,970.24, 284,580.89 and 154,471.63
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Solution
The fourth proportional to 189,970.24, 284,580.89 and 154,471.63 is: 231,402.95
Step by Step Solution
- Step 1: Write the proportion equation
189,970.24 : 284,580.89 = 154,471.63 : x - Step 2: Convert to fraction form
189,970.24/284,580.89 = 154,471.63/x - Step 3: Cross multiply
189,970.24x = 284,580.89 × 154,471.63 - Step 4: Simplify right side
189,970.24x = 43,959,673,619.88 - Step 5: Solve for x
x = 43,959,673,619.88/189,970.24 - Step 6: Final answer
x = 231,402.95
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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.