Finding the Fourth Proportional to 146,381.53, 202,006.56 and 79,313.53
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Solution
The fourth proportional to 146,381.53, 202,006.56 and 79,313.53 is: 109,452.70
Step by Step Solution
- Step 1: Write the proportion equation
146,381.53 : 202,006.56 = 79,313.53 : x - Step 2: Convert to fraction form
146,381.53/202,006.56 = 79,313.53/x - Step 3: Cross multiply
146,381.53x = 202,006.56 × 79,313.53 - Step 4: Simplify right side
146,381.53x = 16,021,853,356.76 - Step 5: Solve for x
x = 16,021,853,356.76/146,381.53 - Step 6: Final answer
x = 109,452.70
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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.