Finding the Fourth Proportional to 158,615.99, 237,912.89 and 74,394.62
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Solution
The fourth proportional to 158,615.99, 237,912.89 and 74,394.62 is: 111,586.72
Step by Step Solution
- Step 1: Write the proportion equation
158,615.99 : 237,912.89 = 74,394.62 : x - Step 2: Convert to fraction form
158,615.99/237,912.89 = 74,394.62/x - Step 3: Cross multiply
158,615.99x = 237,912.89 × 74,394.62 - Step 4: Simplify right side
158,615.99x = 17,699,437,483.11 - Step 5: Solve for x
x = 17,699,437,483.11/158,615.99 - Step 6: Final answer
x = 111,586.72
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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.