Finding the Fourth Proportional to 381,645.84, 572,403.96 and 101,191.44
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Solution
The fourth proportional to 381,645.84, 572,403.96 and 101,191.44 is: 151,769.98
Step by Step Solution
- Step 1: Write the proportion equation
381,645.84 : 572,403.96 = 101,191.44 : x - Step 2: Convert to fraction form
381,645.84/572,403.96 = 101,191.44/x - Step 3: Cross multiply
381,645.84x = 572,403.96 × 101,191.44 - Step 4: Simplify right side
381,645.84x = 57,922,380,974.10 - Step 5: Solve for x
x = 57,922,380,974.10/381,645.84 - Step 6: Final answer
x = 151,769.98
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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.