Finding the Fourth Proportional to 240,473.28, 331,959.42 and 143,711.28
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Solution
The fourth proportional to 240,473.28, 331,959.42 and 143,711.28 is: 198,385.09
Step by Step Solution
- Step 1: Write the proportion equation
240,473.28 : 331,959.42 = 143,711.28 : x - Step 2: Convert to fraction form
240,473.28/331,959.42 = 143,711.28/x - Step 3: Cross multiply
240,473.28x = 331,959.42 × 143,711.28 - Step 4: Simplify right side
240,473.28x = 47,706,313,156.26 - Step 5: Solve for x
x = 47,706,313,156.26/240,473.28 - Step 6: Final answer
x = 198,385.09
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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.