Finding the Fourth Proportional to 305,355.92, 458,065.29 and 105,675.99
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Solution
The fourth proportional to 305,355.92, 458,065.29 and 105,675.99 is: 158,524.86
Step by Step Solution
- Step 1: Write the proportion equation
305,355.92 : 458,065.29 = 105,675.99 : x - Step 2: Convert to fraction form
305,355.92/458,065.29 = 105,675.99/x - Step 3: Cross multiply
305,355.92x = 458,065.29 × 105,675.99 - Step 4: Simplify right side
305,355.92x = 48,406,503,005.39 - Step 5: Solve for x
x = 48,406,503,005.39/305,355.92 - Step 6: Final answer
x = 158,524.86
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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.