Finding the Fourth Proportional to 826,319.07, 1,239,274.49 and 227,251.17
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Solution
The fourth proportional to 826,319.07, 1,239,274.49 and 227,251.17 is: 340,820.62
Step by Step Solution
- Step 1: Write the proportion equation
826,319.07 : 1,239,274.49 = 227,251.17 : x - Step 2: Convert to fraction form
826,319.07/1,239,274.49 = 227,251.17/x - Step 3: Cross multiply
826,319.07x = 1,239,274.49 × 227,251.17 - Step 4: Simplify right side
826,319.07x = 281,626,576,667.40 - Step 5: Solve for x
x = 281,626,576,667.40/826,319.07 - Step 6: Final answer
x = 340,820.62
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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.