Finding the Fourth Proportional to 268,186.93, 402,446.51 and 155,919.99
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Solution
The fourth proportional to 268,186.93, 402,446.51 and 155,919.99 is: 233,976.56
Step by Step Solution
- Step 1: Write the proportion equation
268,186.93 : 402,446.51 = 155,919.99 : x - Step 2: Convert to fraction form
268,186.93/402,446.51 = 155,919.99/x - Step 3: Cross multiply
268,186.93x = 402,446.51 × 155,919.99 - Step 4: Simplify right side
268,186.93x = 62,749,455,814.73 - Step 5: Solve for x
x = 62,749,455,814.73/268,186.93 - Step 6: Final answer
x = 233,976.56
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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.