Finding the Fourth Proportional to 193,901.57, 267,587.50 and 107,867.42
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Solution
The fourth proportional to 193,901.57, 267,587.50 and 107,867.42 is: 148,858.89
Step by Step Solution
- Step 1: Write the proportion equation
193,901.57 : 267,587.50 = 107,867.42 : x - Step 2: Convert to fraction form
193,901.57/267,587.50 = 107,867.42/x - Step 3: Cross multiply
193,901.57x = 267,587.50 × 107,867.42 - Step 4: Simplify right side
193,901.57x = 28,863,971,911.31 - Step 5: Solve for x
x = 28,863,971,911.31/193,901.57 - Step 6: Final answer
x = 148,858.89
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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.