Finding the Fourth Proportional to 156,967.58, 235,446.09 and 68,221.07
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Solution
The fourth proportional to 156,967.58, 235,446.09 and 68,221.07 is: 102,329.31
Step by Step Solution
- Step 1: Write the proportion equation
156,967.58 : 235,446.09 = 68,221.07 : x - Step 2: Convert to fraction form
156,967.58/235,446.09 = 68,221.07/x - Step 3: Cross multiply
156,967.58x = 235,446.09 × 68,221.07 - Step 4: Simplify right side
156,967.58x = 16,062,383,009.89 - Step 5: Solve for x
x = 16,062,383,009.89/156,967.58 - Step 6: Final answer
x = 102,329.31
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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.