Finding the Fourth Proportional to 421,677.68, 581,920.54 and 230,694.26
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Solution
The fourth proportional to 421,677.68, 581,920.54 and 230,694.26 is: 318,361.00
Step by Step Solution
- Step 1: Write the proportion equation
421,677.68 : 581,920.54 = 230,694.26 : x - Step 2: Convert to fraction form
421,677.68/581,920.54 = 230,694.26/x - Step 3: Cross multiply
421,677.68x = 581,920.54 × 230,694.26 - Step 4: Simplify right side
421,677.68x = 134,245,724,867.76 - Step 5: Solve for x
x = 134,245,724,867.76/421,677.68 - Step 6: Final answer
x = 318,361.00
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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.