Finding the Fourth Proportional to 231,808.60, 347,432.10 and 98,408.80
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Solution
The fourth proportional to 231,808.60, 347,432.10 and 98,408.80 is: 147,493.99
Step by Step Solution
- Step 1: Write the proportion equation
231,808.60 : 347,432.10 = 98,408.80 : x - Step 2: Convert to fraction form
231,808.60/347,432.10 = 98,408.80/x - Step 3: Cross multiply
231,808.60x = 347,432.10 × 98,408.80 - Step 4: Simplify right side
231,808.60x = 34,190,376,042.48 - Step 5: Solve for x
x = 34,190,376,042.48/231,808.60 - Step 6: Final answer
x = 147,493.99
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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.