Finding the Fourth Proportional to 262,318.29, 393,378.99 and 84,777.63
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Solution
The fourth proportional to 262,318.29, 393,378.99 and 84,777.63 is: 127,134.63
Step by Step Solution
- Step 1: Write the proportion equation
262,318.29 : 393,378.99 = 84,777.63 : x - Step 2: Convert to fraction form
262,318.29/393,378.99 = 84,777.63/x - Step 3: Cross multiply
262,318.29x = 393,378.99 × 84,777.63 - Step 4: Simplify right side
262,318.29x = 33,349,738,463.99 - Step 5: Solve for x
x = 33,349,738,463.99/262,318.29 - Step 6: Final answer
x = 127,134.63
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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.