Finding the Fourth Proportional to 305,878.92, 458,806.20 and 106,244.68
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Solution
The fourth proportional to 305,878.92, 458,806.20 and 106,244.68 is: 159,362.79
Step by Step Solution
- Step 1: Write the proportion equation
305,878.92 : 458,806.20 = 106,244.68 : x - Step 2: Convert to fraction form
305,878.92/458,806.20 = 106,244.68/x - Step 3: Cross multiply
305,878.92x = 458,806.20 × 106,244.68 - Step 4: Simplify right side
305,878.92x = 48,745,717,901.02 - Step 5: Solve for x
x = 48,745,717,901.02/305,878.92 - Step 6: Final answer
x = 159,362.79
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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.