Finding the Fourth Proportional to 298,394.81, 447,587.81 and 73,755.26
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Solution
The fourth proportional to 298,394.81, 447,587.81 and 73,755.26 is: 110,631.80
Step by Step Solution
- Step 1: Write the proportion equation
298,394.81 : 447,587.81 = 73,755.26 : x - Step 2: Convert to fraction form
298,394.81/447,587.81 = 73,755.26/x - Step 3: Cross multiply
298,394.81x = 447,587.81 × 73,755.26 - Step 4: Simplify right side
298,394.81x = 33,011,955,299.38 - Step 5: Solve for x
x = 33,011,955,299.38/298,394.81 - Step 6: Final answer
x = 110,631.80
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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.