Finding the Fourth Proportional to 231,705.55, 347,339.19 and 174,690.99
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Solution
The fourth proportional to 231,705.55, 347,339.19 and 174,690.99 is: 261,871.27
Step by Step Solution
- Step 1: Write the proportion equation
231,705.55 : 347,339.19 = 174,690.99 : x - Step 2: Convert to fraction form
231,705.55/347,339.19 = 174,690.99/x - Step 3: Cross multiply
231,705.55x = 347,339.19 × 174,690.99 - Step 4: Simplify right side
231,705.55x = 60,677,027,941.87 - Step 5: Solve for x
x = 60,677,027,941.87/231,705.55 - Step 6: Final answer
x = 261,871.27
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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.