Finding the Fourth Proportional to 106,242.28, 159,380.73 and 31,369.99
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Solution
The fourth proportional to 106,242.28, 159,380.73 and 31,369.99 is: 47,060.10
Step by Step Solution
- Step 1: Write the proportion equation
106,242.28 : 159,380.73 = 31,369.99 : x - Step 2: Convert to fraction form
106,242.28/159,380.73 = 31,369.99/x - Step 3: Cross multiply
106,242.28x = 159,380.73 × 31,369.99 - Step 4: Simplify right side
106,242.28x = 4,999,771,906.29 - Step 5: Solve for x
x = 4,999,771,906.29/106,242.28 - Step 6: Final answer
x = 47,060.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.