Finding the Fourth Proportional to 852,855.47, 1,279,278.03 and 213,155.99
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Solution
The fourth proportional to 852,855.47, 1,279,278.03 and 213,155.99 is: 319,732.69
Step by Step Solution
- Step 1: Write the proportion equation
852,855.47 : 1,279,278.03 = 213,155.99 : x - Step 2: Convert to fraction form
852,855.47/1,279,278.03 = 213,155.99/x - Step 3: Cross multiply
852,855.47x = 1,279,278.03 × 213,155.99 - Step 4: Simplify right side
852,855.47x = 272,685,768,573.51 - Step 5: Solve for x
x = 272,685,768,573.51/852,855.47 - Step 6: Final answer
x = 319,732.69
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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.