Finding the Fourth Proportional to 305,938.93, 422,170.96 and 176,885.68
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Solution
The fourth proportional to 305,938.93, 422,170.96 and 176,885.68 is: 244,087.92
Step by Step Solution
- Step 1: Write the proportion equation
305,938.93 : 422,170.96 = 176,885.68 : x - Step 2: Convert to fraction form
305,938.93/422,170.96 = 176,885.68/x - Step 3: Cross multiply
305,938.93x = 422,170.96 × 176,885.68 - Step 4: Simplify right side
305,938.93x = 74,675,995,225.00 - Step 5: Solve for x
x = 74,675,995,225.00/305,938.93 - Step 6: Final answer
x = 244,087.92
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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.