Finding the Fourth Proportional to 133,212.24, 183,832.11 and 72,782.19
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Solution
The fourth proportional to 133,212.24, 183,832.11 and 72,782.19 is: 100,439.00
Step by Step Solution
- Step 1: Write the proportion equation
133,212.24 : 183,832.11 = 72,782.19 : x - Step 2: Convert to fraction form
133,212.24/183,832.11 = 72,782.19/x - Step 3: Cross multiply
133,212.24x = 183,832.11 × 72,782.19 - Step 4: Simplify right side
133,212.24x = 13,379,703,558.12 - Step 5: Solve for x
x = 13,379,703,558.12/133,212.24 - Step 6: Final answer
x = 100,439.00
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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.