Finding the Fourth Proportional to 249,102.43, 343,768.95 and 141,687.94
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Solution
The fourth proportional to 249,102.43, 343,768.95 and 141,687.94 is: 195,533.68
Step by Step Solution
- Step 1: Write the proportion equation
249,102.43 : 343,768.95 = 141,687.94 : x - Step 2: Convert to fraction form
249,102.43/343,768.95 = 141,687.94/x - Step 3: Cross multiply
249,102.43x = 343,768.95 × 141,687.94 - Step 4: Simplify right side
249,102.43x = 48,707,914,361.46 - Step 5: Solve for x
x = 48,707,914,361.46/249,102.43 - Step 6: Final answer
x = 195,533.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.