Finding the Fourth Proportional to 550,989.54, 826,163.19 and 213,636.08
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Solution
The fourth proportional to 550,989.54, 826,163.19 and 213,636.08 is: 320,329.61
Step by Step Solution
- Step 1: Write the proportion equation
550,989.54 : 826,163.19 = 213,636.08 : x - Step 2: Convert to fraction form
550,989.54/826,163.19 = 213,636.08/x - Step 3: Cross multiply
550,989.54x = 826,163.19 × 213,636.08 - Step 4: Simplify right side
550,989.54x = 176,498,264,283.72 - Step 5: Solve for x
x = 176,498,264,283.72/550,989.54 - Step 6: Final answer
x = 320,329.61
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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.