Finding the Fourth Proportional to 122,008.42, 182,774.28 and 84,050.99
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Solution
The fourth proportional to 122,008.42, 182,774.28 and 84,050.99 is: 125,912.29
Step by Step Solution
- Step 1: Write the proportion equation
122,008.42 : 182,774.28 = 84,050.99 : x - Step 2: Convert to fraction form
122,008.42/182,774.28 = 84,050.99/x - Step 3: Cross multiply
122,008.42x = 182,774.28 × 84,050.99 - Step 4: Simplify right side
122,008.42x = 15,362,359,180.54 - Step 5: Solve for x
x = 15,362,359,180.54/122,008.42 - Step 6: Final answer
x = 125,912.29
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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.