Finding the Fourth Proportional to 161,292.65, 241,988.18 and 82,462.23
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Solution
The fourth proportional to 161,292.65, 241,988.18 and 82,462.23 is: 123,718.50
Step by Step Solution
- Step 1: Write the proportion equation
161,292.65 : 241,988.18 = 82,462.23 : x - Step 2: Convert to fraction form
161,292.65/241,988.18 = 82,462.23/x - Step 3: Cross multiply
161,292.65x = 241,988.18 × 82,462.23 - Step 4: Simplify right side
161,292.65x = 19,954,884,544.13 - Step 5: Solve for x
x = 19,954,884,544.13/161,292.65 - Step 6: Final answer
x = 123,718.50
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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.