Finding the Fourth Proportional to 199,619.93, 275,471.12 and 108,972.42
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Solution
The fourth proportional to 199,619.93, 275,471.12 and 108,972.42 is: 150,379.55
Step by Step Solution
- Step 1: Write the proportion equation
199,619.93 : 275,471.12 = 108,972.42 : x - Step 2: Convert to fraction form
199,619.93/275,471.12 = 108,972.42/x - Step 3: Cross multiply
199,619.93x = 275,471.12 × 108,972.42 - Step 4: Simplify right side
199,619.93x = 30,018,754,041.65 - Step 5: Solve for x
x = 30,018,754,041.65/199,619.93 - Step 6: Final answer
x = 150,379.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.