Finding the Fourth Proportional to 98,191.24, 147,310.44 and 31,637.68
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Solution
The fourth proportional to 98,191.24, 147,310.44 and 31,637.68 is: 47,464.12
Step by Step Solution
- Step 1: Write the proportion equation
98,191.24 : 147,310.44 = 31,637.68 : x - Step 2: Convert to fraction form
98,191.24/147,310.44 = 31,637.68/x - Step 3: Cross multiply
98,191.24x = 147,310.44 × 31,637.68 - Step 4: Simplify right side
98,191.24x = 4,660,560,561.38 - Step 5: Solve for x
x = 4,660,560,561.38/98,191.24 - Step 6: Final answer
x = 47,464.12
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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.