Finding the Fourth Proportional to 193,974.60, 267,644.84 and 113,386.53
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Solution
The fourth proportional to 193,974.60, 267,644.84 and 113,386.53 is: 156,449.96
Step by Step Solution
- Step 1: Write the proportion equation
193,974.60 : 267,644.84 = 113,386.53 : x - Step 2: Convert to fraction form
193,974.60/267,644.84 = 113,386.53/x - Step 3: Cross multiply
193,974.60x = 267,644.84 × 113,386.53 - Step 4: Simplify right side
193,974.60x = 30,347,319,113.07 - Step 5: Solve for x
x = 30,347,319,113.07/193,974.60 - Step 6: Final answer
x = 156,449.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.