Finding the Fourth Proportional to 612,567.63, 918,895.23 and 163,286.19
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Solution
The fourth proportional to 612,567.63, 918,895.23 and 163,286.19 is: 244,940.96
Step by Step Solution
- Step 1: Write the proportion equation
612,567.63 : 918,895.23 = 163,286.19 : x - Step 2: Convert to fraction form
612,567.63/918,895.23 = 163,286.19/x - Step 3: Cross multiply
612,567.63x = 918,895.23 × 163,286.19 - Step 4: Simplify right side
612,567.63x = 150,042,901,115.87 - Step 5: Solve for x
x = 150,042,901,115.87/612,567.63 - Step 6: Final answer
x = 244,940.96
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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.