Finding the Fourth Proportional to 193,173.12, 266,576.40 and 108,289.44
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Solution
The fourth proportional to 193,173.12, 266,576.40 and 108,289.44 is: 149,438.02
Step by Step Solution
- Step 1: Write the proportion equation
193,173.12 : 266,576.40 = 108,289.44 : x - Step 2: Convert to fraction form
193,173.12/266,576.40 = 108,289.44/x - Step 3: Cross multiply
193,173.12x = 266,576.40 × 108,289.44 - Step 4: Simplify right side
193,173.12x = 28,867,409,073.22 - Step 5: Solve for x
x = 28,867,409,073.22/193,173.12 - Step 6: Final answer
x = 149,438.02
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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.