Finding the Fourth Proportional to 102,243.56, 153,389.66 and 32,122.90
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Solution
The fourth proportional to 102,243.56, 153,389.66 and 32,122.90 is: 48,191.99
Step by Step Solution
- Step 1: Write the proportion equation
102,243.56 : 153,389.66 = 32,122.90 : x - Step 2: Convert to fraction form
102,243.56/153,389.66 = 32,122.90/x - Step 3: Cross multiply
102,243.56x = 153,389.66 × 32,122.90 - Step 4: Simplify right side
102,243.56x = 4,927,320,709.21 - Step 5: Solve for x
x = 4,927,320,709.21/102,243.56 - Step 6: Final answer
x = 48,191.99
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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.