Finding the Fourth Proportional to 362,456.05, 543,475.73 and 149,371.08
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Solution
The fourth proportional to 362,456.05, 543,475.73 and 149,371.08 is: 223,970.76
Step by Step Solution
- Step 1: Write the proportion equation
362,456.05 : 543,475.73 = 149,371.08 : x - Step 2: Convert to fraction form
362,456.05/543,475.73 = 149,371.08/x - Step 3: Cross multiply
362,456.05x = 543,475.73 × 149,371.08 - Step 4: Simplify right side
362,456.05x = 81,179,556,743.89 - Step 5: Solve for x
x = 81,179,556,743.89/362,456.05 - Step 6: Final answer
x = 223,970.76
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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.