Finding the Fourth Proportional to 282,104.84, 389,305.08 and 154,780.96
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Solution
The fourth proportional to 282,104.84, 389,305.08 and 154,780.96 is: 213,597.94
Step by Step Solution
- Step 1: Write the proportion equation
282,104.84 : 389,305.08 = 154,780.96 : x - Step 2: Convert to fraction form
282,104.84/389,305.08 = 154,780.96/x - Step 3: Cross multiply
282,104.84x = 389,305.08 × 154,780.96 - Step 4: Simplify right side
282,104.84x = 60,257,014,015.28 - Step 5: Solve for x
x = 60,257,014,015.28/282,104.84 - Step 6: Final answer
x = 213,597.94
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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.