Finding the Fourth Proportional to 216,666.26, 325,006.58 and 74,510.14
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Solution
The fourth proportional to 216,666.26, 325,006.58 and 74,510.14 is: 111,767.68
Step by Step Solution
- Step 1: Write the proportion equation
216,666.26 : 325,006.58 = 74,510.14 : x - Step 2: Convert to fraction form
216,666.26/325,006.58 = 74,510.14/x - Step 3: Cross multiply
216,666.26x = 325,006.58 × 74,510.14 - Step 4: Simplify right side
216,666.26x = 24,216,285,776.72 - Step 5: Solve for x
x = 24,216,285,776.72/216,666.26 - Step 6: Final answer
x = 111,767.68
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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.