Finding the Fourth Proportional to 308,350.84, 462,519.06 and 142,138.84
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Solution
The fourth proportional to 308,350.84, 462,519.06 and 142,138.84 is: 213,204.94
Step by Step Solution
- Step 1: Write the proportion equation
308,350.84 : 462,519.06 = 142,138.84 : x - Step 2: Convert to fraction form
308,350.84/462,519.06 = 142,138.84/x - Step 3: Cross multiply
308,350.84x = 462,519.06 × 142,138.84 - Step 4: Simplify right side
308,350.84x = 65,741,922,666.29 - Step 5: Solve for x
x = 65,741,922,666.29/308,350.84 - Step 6: Final answer
x = 213,204.94
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1.5x scale
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.