Finding the Fourth Proportional to 231,602.06, 347,292.12 and 113,134.70
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Solution
The fourth proportional to 231,602.06, 347,292.12 and 113,134.70 is: 169,647.84
Step by Step Solution
- Step 1: Write the proportion equation
231,602.06 : 347,292.12 = 113,134.70 : x - Step 2: Convert to fraction form
231,602.06/347,292.12 = 113,134.70/x - Step 3: Cross multiply
231,602.06x = 347,292.12 × 113,134.70 - Step 4: Simplify right side
231,602.06x = 39,290,789,808.56 - Step 5: Solve for x
x = 39,290,789,808.56/231,602.06 - Step 6: Final answer
x = 169,647.84
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1.5x scale
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.