Finding the Fourth Proportional to 232,549.24, 320,933.81 and 129,195.55
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Solution
The fourth proportional to 232,549.24, 320,933.81 and 129,195.55 is: 178,298.67
Step by Step Solution
- Step 1: Write the proportion equation
232,549.24 : 320,933.81 = 129,195.55 : x - Step 2: Convert to fraction form
232,549.24/320,933.81 = 129,195.55/x - Step 3: Cross multiply
232,549.24x = 320,933.81 × 129,195.55 - Step 4: Simplify right side
232,549.24x = 41,463,221,474.24 - Step 5: Solve for x
x = 41,463,221,474.24/232,549.24 - Step 6: Final answer
x = 178,298.67
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1.5x scale
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.