Finding the Fourth Proportional to 98,234.29, 147,380.19 and 31,673.08
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Solution
The fourth proportional to 98,234.29, 147,380.19 and 31,673.08 is: 47,518.89
Step by Step Solution
- Step 1: Write the proportion equation
98,234.29 : 147,380.19 = 31,673.08 : x - Step 2: Convert to fraction form
98,234.29/147,380.19 = 31,673.08/x - Step 3: Cross multiply
98,234.29x = 147,380.19 × 31,673.08 - Step 4: Simplify right side
98,234.29x = 4,667,984,548.29 - Step 5: Solve for x
x = 4,667,984,548.29/98,234.29 - Step 6: Final answer
x = 47,518.89
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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.