Finding the Fourth Proportional to 283,361.64, 391,009.33 and 160,814.99
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Solution
The fourth proportional to 283,361.64, 391,009.33 and 160,814.99 is: 221,907.81
Step by Step Solution
- Step 1: Write the proportion equation
283,361.64 : 391,009.33 = 160,814.99 : x - Step 2: Convert to fraction form
283,361.64/391,009.33 = 160,814.99/x - Step 3: Cross multiply
283,361.64x = 391,009.33 × 160,814.99 - Step 4: Simplify right side
283,361.64x = 62,880,160,689.78 - Step 5: Solve for x
x = 62,880,160,689.78/283,361.64 - Step 6: Final answer
x = 221,907.81
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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.